A168196 a(n) = n^4*(n^5 + 1)/2.

0, 1, 264, 9882, 131200, 976875, 5039496, 20178004, 67110912, 193713525, 500005000, 1178981166, 2579900544, 5302263967, 10330542600, 19221705000, 34359771136, 59293980009, 99179697672, 161343914050, 256000080000

Offset

0,3

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..405

Formula

G.f.: x*(1 + 254*x + 7287*x^2 + 44140*x^3 + 78095*x^4 + 44094*x^5 + 7321*x^6 + 248*x^7)/(1 - x)^10. - Ilya Gutkovskiy, Jul 15 2016

Mathematica

Table[n^4*(n^5 + 1)/2, {n, 0, 50}] (* G. C. Greubel, Jul 15 2016 *)

Prog

(Magma) [n^4*(n^5+1)/2: n in [0..50]]; // Vincenzo Librandi, Apr 25 2011

Crossrefs

Sequence in context: A035315 A288877 A278409 * A264682 A107507 A239183

Adjacent sequences: A168193 A168194 A168195 * A168197 A168198 A168199

Keyword

nonn

Author

N. J. A. Sloane, Dec 11 2009

Status

approved