A196412 a(n) = n! - n^5.

1, 0, -30, -237, -1000, -3005, -7056, -11767, 7552, 303831, 3528800, 39755749, 478752768, 6226649507, 87177753376, 1307673608625, 20922788839424, 355687426676143, 6402373703838432, 121645100406355901, 2432902008173440000

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, A196411.

Programs

Magma

[Factorial(n)-n^5: n in [0..20]]

Mathematica

Table[n!-n^5,{n,0,20}] (* Harvey P. Dale, Nov 03 2015 *)

PARI

a(n)=n!-n^5 \\ Charles R Greathouse IV, Nov 21 2011