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A100789
First differences of A000543.
1
1, 22, 310, 2583, 13809, 54186, 171002, 460055, 1096313, 2375494, 4768246, 8988607, 16078425, 27509418, 45304554, 72180431, 111712337, 168523670, 248501398, 359039239, 509310241, 710570442, 976495290, 1323550503
OFFSET
0,2
FORMULA
(1/12)(2n+1)(2n^6+6n^5+11n^4+12n^3+25n^2+20n+12). - Ralf Stephan, May 16 2007
CROSSREFS
Sequence in context: A357034 A041928 A028054 * A028038 A348266 A025992
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jan 04 2005
STATUS
approved