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A081196
a(n) = (n+4)^n*binomial(n+2,2).
4
1, 15, 216, 3430, 61440, 1240029, 28000000, 701538156, 19349176320, 583247465515, 19090807228416, 674680957031250, 25614222880669696, 1039980693455123385, 44977604109849722880, 2064633276062972568664
OFFSET
0,2
COMMENTS
Diagonal of A081130.
LINKS
FORMULA
a(n) = (n+4)^n*binomial(n+2,2).
MAPLE
seq((n+4)^n*binomial(n+2, 2), n=0..20); # G. C. Greubel, May 18 2021
MATHEMATICA
Table[(n+4)^n Binomial[n+2, 2], {n, 0, 30}] (* Vincenzo Librandi, Aug 07 2013 *)
PROG
(Magma) [(n+4)^n*Binomial(n+2, 2): n in [0..20]]; // Vincenzo Librandi, Aug 07 2013
(Sage) [(n+4)^n*binomial(n+2, 2) for n in (0..20)] # G. C. Greubel, May 18 2021
CROSSREFS
Sequences of the form (n+m)^n*binomial(n+2,2): A081133 (m=0), A081132 (m=1), A081131 (m=2), A053507 (m=3), this sequence (m=4).
Sequence in context: A201340 A051826 A351515 * A020287 A152272 A091644
KEYWORD
nonn,easy
AUTHOR
Paul Barry, Mar 11 2003
STATUS
approved