A196411 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

Author

Vincenzo Librandi, Oct 06 2011

Keywords

• sign
• easy
• less

Links

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

Crossrefs

Cf. A005008, A005096, A007339, A144768

Programs

Magma

[Factorial(n)-n^4: n in [0..20]];

PARI

a(n)=n!-n^4 \\ Charles R Greathouse IV, Nov 21 2011