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Search: id:A093646
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A093646 Higher dimensional figurate numbers based on 12-gonal numbers A051624. +0
2
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 (list; graph; listen)
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 this_sequence A069423 A142060 A125356

Adjacent sequences: A093643 A093644 A093645 this_sequence A093647 A093648 A093649

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), Apr 22 2004

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.


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