A196411 a(n) = n! - n^4.

1, 0, -14, -75, -232, -505, -576, 2639, 36224, 356319, 3618800, 39902159, 478980864, 6226992239, 87178252784, 1307674317375, 20922789822464, 355687428012479, 6402373705623024, 121645100408701679, 2432902008176480000

Offset

0,3

Links

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

Prog

(Magma) [Factorial(n)-n^4: n in [0..20]];
(PARI) a(n)=n!-n^4 \\ Charles R Greathouse IV, Nov 21 2011

Crossrefs

Cf. A005008, A005096, A007339, A144768

Sequence in context: A146563 A205583 A167633 * A108650 A093567 A296996

Adjacent sequences: A196408 A196409 A196410 * A196412 A196413 A196414

Keyword

sign,easy,less

Author

Vincenzo Librandi, Oct 06 2011

Status

approved