A196414 n! - n^7.

1, 0, -126, -2181, -16360, -78005, -279216, -818503, -2056832, -4420089, -6371200, 20429629, 443169792, 6164272283, 87072877696, 1307503508625, 20922521452544, 355687017757327, 6402373093507968, 121645099514960261, 2432902006896640000

Offset: 0

Author

Vincenzo Librandi, Oct 06 2011

Keywords

• sign
• less
• easy

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..400

Crossrefs

Cf. A005008, A005096, A007339, A144768, A196411, A196412, A196413

Programs

Magma

[Factorial(n)-n^7: n in [0..20]]

PARI

a(n)=n!-n^7 \\ Charles R Greathouse IV, Nov 21 2011