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Search: id:A016260
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A016260 Expansion of 1/((1-x)(1-8x)(1-12x)). +0
1
1, 21, 325, 4485, 58501, 739461, 9173125, 112474245, 1368864901, 16579770501, 200184379525, 2412029622405, 29022892013701, 348902996523141, 4191862297147525, 50342558276728965, 604432385008416901 (list; graph; listen)
OFFSET

0,2

MAPLE

a:=n->sum((12^(n-j)-8^(n-j))/4, j=0..n): seq(a(n), n=1..17); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 12 2007

CROSSREFS

Sequence in context: A016262 A001233 A145148 this_sequence A011810 A091947 A016195

Adjacent sequences: A016257 A016258 A016259 this_sequence A016261 A016262 A016263

KEYWORD

nonn

AUTHOR

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

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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