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A154307
a(n) = (n+1)^4*(4+n)!/24.
3
1, 80, 2430, 53760, 1050000, 19595520, 363031200, 6812467200, 130947062400, 2594592000000, 53182390060800, 1129830653952000, 24898991749632000, 569337009905664000, 13505007035520000000, 332172220849717248000
OFFSET
0,2
COMMENTS
Row 4 of square array A152818.
LINKS
FORMULA
E.g.f.: (1 + 71*x + 531*x^2 + 821*x^3 + 256*x^4)/(1-x)^9. - R. J. Mathar, Dec 21 2011
MATHEMATICA
Table[(n + 1)^4*(4 + n)!/24, {n, 0, 25}] (* G. C. Greubel, Sep 10 2016 *)
PROG
(Magma) [(n+1)^4*Factorial(4+n)/24: n in [0..20]]; / Vincenzo Librandi, Sep 11 2016
CROSSREFS
KEYWORD
nonn
AUTHOR
Omar E. Pol, Jan 06 2009
EXTENSIONS
Extended by Max Alekseyev, Apr 13 2009
STATUS
approved