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A013619 Triangle of coefficients in expansion of (1+12x)^n. 1
1, 1, 12, 1, 24, 144, 1, 36, 432, 1728, 1, 48, 864, 6912, 20736, 1, 60, 1440, 17280, 103680, 248832, 1, 72, 2160, 34560, 311040, 1492992, 2985984, 1, 84, 3024, 60480, 725760, 5225472, 20901888, 35831808, 1, 96, 4032, 96768, 1451520 (list; table; graph; refs; listen; history; internal format)
OFFSET

0,3

FORMULA

G.f.: 1 / [1 - x(1+12y)].

CROSSREFS

Sequence in context: A139724 A040155 A036185 * A092527 A085840 A075072

Adjacent sequences:  A013616 A013617 A013618 * A013620 A013621 A013622

KEYWORD

tabl,nonn,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 02:51 EST 2012. Contains 205860 sequences.