WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

  

<ARTICLE> 6                       
<CIK>                356865
<NAME>               OPPENHEIMER LIFESPAN GROWTH-A
<SERIES>                                                                 
   <NUMBER>          13
   <NAME>            OPPENHEIMER SERIES FUND, INC.
       
                                                                     
<PERIOD-TYPE>                                                           12-MOS
<FISCAL-YEAR-END>                                                       OCT-31-1997
<PERIOD-START>                                                          NOV-01-1996
<PERIOD-END>                                                            OCT-31-1997
<INVESTMENTS-AT-COST>                                                                  51,331,382
<INVESTMENTS-AT-VALUE>                                                                 59,260,606
<RECEIVABLES>                                                                             815,947
<ASSETS-OTHER>                                                                              1,731
<OTHER-ITEMS-ASSETS>                                                                      474,933
<TOTAL-ASSETS>                                                                         60,553,217
<PAYABLE-FOR-SECURITIES>                                                                  538,459
<SENIOR-LONG-TERM-DEBT>                                                                         0
<OTHER-ITEMS-LIABILITIES>                                                                  95,964
<TOTAL-LIABILITIES>                                                                       634,423
<SENIOR-EQUITY>                                                                                 0
<PAID-IN-CAPITAL-COMMON>                                                               47,663,953
<SHARES-COMMON-STOCK>                                                                   3,900,030
<SHARES-COMMON-PRIOR>                                                                   3,440,864
<ACCUMULATED-NII-CURRENT>                                                                 858,469
<OVERDISTRIBUTION-NII>                                                                          0
<ACCUMULATED-NET-GAINS>                                                                 3,466,954
<OVERDISTRIBUTION-GAINS>                                                                        0
<ACCUM-APPREC-OR-DEPREC>                                                                7,929,418
<NET-ASSETS>                                                                           53,318,387
<DIVIDEND-INCOME>                                                                         670,676
<INTEREST-INCOME>                                                                       1,159,982
<OTHER-INCOME>                                                                                  0
<EXPENSES-NET>                                                                            836,042
<NET-INVESTMENT-INCOME>                                                                   994,616
<REALIZED-GAINS-CURRENT>                                                                3,493,992
<APPREC-INCREASE-CURRENT>                                                               2,100,837
<NET-CHANGE-FROM-OPS>                                                                   6,589,445
<EQUALIZATION>                                                                                  0
<DISTRIBUTIONS-OF-INCOME>                                                                 279,883
<DISTRIBUTIONS-OF-GAINS>                                                                2,163,698
<DISTRIBUTIONS-OTHER>                                                                           0
<NUMBER-OF-SHARES-SOLD>                                                                   590,543
<NUMBER-OF-SHARES-REDEEMED>                                                               327,056
<SHARES-REINVESTED>                                                                       195,679
<NET-CHANGE-IN-ASSETS>                                                                 13,392,582
<ACCUMULATED-NII-PRIOR>                                                                   171,706
<ACCUMULATED-GAINS-PRIOR>                                                               2,261,956
<OVERDISTRIB-NII-PRIOR>                                                                         0
<OVERDIST-NET-GAINS-PRIOR>                                                                      0
<GROSS-ADVISORY-FEES>                                                                     457,316
<INTEREST-EXPENSE>                                                                              0
<GROSS-EXPENSE>                                                                           845,404
<AVERAGE-NET-ASSETS>                                                                   49,213,069
<PER-SHARE-NAV-BEGIN>                                                                          12.78
<PER-SHARE-NII>                                                                                 0.24
<PER-SHARE-GAIN-APPREC>                                                                         1.35
<PER-SHARE-DIVIDEND>                                                                            0.08
<PER-SHARE-DISTRIBUTIONS>                                                                       0.62
<RETURNS-OF-CAPITAL>                                                                            0.00
<PER-SHARE-NAV-END>                                                                            13.67
<EXPENSE-RATIO>                                                                                 1.50
<AVG-DEBT-OUTSTANDING>                                                                          0
<AVG-DEBT-PER-SHARE>                                                                            0.00