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

0,3

Links

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

Prog

(Magma) [Factorial(n)-n^7: n in [0..20]]
(PARI) a(n)=n!-n^7 \\ Charles R Greathouse IV, Nov 21 2011

Crossrefs

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

Sequence in context: A255177 A172140 A331100 * A133499 A219005 A202398

Adjacent sequences: A196411 A196412 A196413 * A196415 A196416 A196417

Keyword

sign,less,easy

Author

Vincenzo Librandi, Oct 06 2011

Status

approved