A101375 a(n) = n*(n+1)*(n^2-2*n+2)/2.

0, 1, 6, 30, 100, 255, 546, 1036, 1800, 2925, 4510, 6666, 9516, 13195, 17850, 23640, 30736, 39321, 49590, 61750, 76020, 92631, 111826, 133860, 159000, 187525, 219726, 255906, 296380, 341475, 391530, 446896, 507936, 575025, 648550, 728910, 816516, 911791

Offset

0,3

References

T. A. Gulliver, Sequences from Cubes of Integers, Int. Math. Journal, 4 (2003), 439-445.

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Index entries for linear recurrences with constant coefficients, signature (5,-10,10,-5,1).

Formula

G.f.: x*(1 + x + 10*x^2)/(1 - x)^5. - Ilya Gutkovskiy, Feb 24 2017

Prog

(Magma) [n*(n+1)*(n^2-2*n+2)/2: n in [0..40]]; // Vincenzo Librandi, May 26 2011
(PARI) a(n)=n*(n+1)*(n^2-2*n+2)/2 \\ Charles R Greathouse IV, Feb 24 2017

Crossrefs

Sequence in context: A073948 A101855 A008525 * A074007 A152573 A348257

Adjacent sequences: A101372 A101373 A101374 * A101376 A101377 A101378

Keyword

nonn,easy

Author

N. J. A. Sloane, Jan 15 2005

Status

approved