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A196413
n! - n^6.
4
1, 0, -62, -723, -4072, -15505, -45936, -112609, -221824, -168561, 2628800, 38145239, 476015616, 6222193991, 87170761664, 1307662977375, 20922773110784, 355687403958431, 6402373671715776, 121645100361786119, 2432902008112640000
OFFSET
0,3
LINKS
MATHEMATICA
Table[n!-n^6, {n, 0, 20}] (* Harvey P. Dale, Dec 09 2011 *)
PROG
(Magma) [Factorial(n)-n^6: n in [0..20]]
(PARI) a(n)=n!-n^6 \\ Charles R Greathouse IV, Nov 21 2011
CROSSREFS
KEYWORD
sign,easy,less
AUTHOR
Vincenzo Librandi, Oct 06 2011
STATUS
approved