OFFSET
8,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 8..200
FORMULA
(n!/7!)*Stirling2(n-2, n-7). - Vladeta Jovovic, Jan 28 2004
a(n) = n! * (n-7)^2*(n-6)^2*(n-5)*(n-4)*(n-3)*(n-2)*(3*n^2 - 35*n + 96)/58060800. - Vaclav Kotesovec, Jul 25 2014
MATHEMATICA
Table[n! * (n-7)^2*(n-6)^2*(n-5)*(n-4)*(n-3)*(n-2)*(3*n^2 - 35*n + 96)/58060800, {n, 8, 20}] (* Vaclav Kotesovec, Jul 25 2014 *)
PROG
(Magma) [Factorial(n)*(n-7)^2*(n-6)^2*(n-5)*(n-4)*(n-3)*(n-2)*(3*n^2 - 35*n + 96)/58060800: n in [8..25]]; // Vincenzo Librandi, Juò 25 2014
CROSSREFS
KEYWORD
nonn
AUTHOR
Christian G. Bower, May 11 2000
STATUS
approved