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A196412
a(n) = n! - n^5.
5
1, 0, -30, -237, -1000, -3005, -7056, -11767, 7552, 303831, 3528800, 39755749, 478752768, 6226649507, 87177753376, 1307673608625, 20922788839424, 355687426676143, 6402373703838432, 121645100406355901, 2432902008173440000
OFFSET
0,3
LINKS
MATHEMATICA
Table[n!-n^5, {n, 0, 20}] (* Harvey P. Dale, Nov 03 2015 *)
PROG
(Magma) [Factorial(n)-n^5: n in [0..20]]
(PARI) a(n)=n!-n^5 \\ Charles R Greathouse IV, Nov 21 2011
CROSSREFS
KEYWORD
sign,easy,less
AUTHOR
Vincenzo Librandi, Oct 06 2011
STATUS
approved