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                                                                  EXHIBIT 23.1

                       CONSENT OF INDEPENDENT ACCOUNTANTS

     We consent to the incorporation by reference in this Registration Statement
of American Management Systems, Incorporated on Form S-8 of our reports dated
February 16, 2000, appearing in and incorporated by reference in the Annual
Report on Form 10-K of American Management Systems, Incorporated for the year
ended Decemebr 31, 1999.

DELOITTE & TOUCHE LLP

McLean, Virginia
March 30, 2000


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