Number of words (over an alphabet of size 26) of length n with all different letters.

A106793

Number of words (over an alphabet of size 26) of length n with all different letters.

Terms

    a(0) =1a(1) =26a(2) =650a(3) =15600a(4) =358800a(5) =7893600a(6) =165765600a(7) =3315312000a(8) =62990928000

External references