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A093646
Higher dimensional figurate numbers based on 12-gonal numbers A051624.
1
1, 19, 145, 715, 2695, 8437, 23023, 56485, 127270, 267410, 529958, 999362, 1805570, 3142790, 5293970, 8662214, 13810511, 21511325, 32807775, 49088325, 72177105, 104442195, 148924425, 209489475, 291006300, 399555156, 542668764, 729610420
OFFSET
0,2
FORMULA
a(n)= (10*n+9)*binomial(n+8, 8)/9. G.f.: (1+9*x)/(1-x)^10.
CROSSREFS
Cf. A093645 ((10, 1) Pascal, column m=9).
Sequence in context: A107962 A002615 A081590 * A264679 A200530 A183748
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Apr 22 2004
STATUS
approved