A058581 (4*n^2+2*n-3)*(2*n-1)*n/3.

0, 1, 34, 195, 644, 1605, 3366, 6279, 10760, 17289, 26410, 38731, 54924, 75725, 101934, 134415, 174096, 221969, 279090, 346579, 425620, 517461, 623414, 744855, 883224, 1040025, 1216826, 1415259, 1637020, 1883869, 2157630

Offset

0,3

Links

Table of n, a(n) for n=0..30.

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

Mathematica

Table[(4n^2+2n-3)(2n-1)n/3, {n, 0, 40}] (* Harvey P. Dale, Sep 18 2019 *)

Prog

(PARI) a(n)=(4*n^2+2*n-3)*(2*n-1)*n/3 \\ Charles R Greathouse IV, Oct 21 2022

Crossrefs

Sequence in context: A074709 A074900 A302227 * A050263 A020869 A355884

Adjacent sequences: A058578 A058579 A058580 * A058582 A058583 A058584

Keyword

nonn,easy

Author

N. J. A. Sloane, Dec 26 2000

Status

approved