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A058581
(4*n^2+2*n-3)*(2*n-1)*n/3.
0
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
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
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Dec 26 2000
STATUS
approved