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Search: id:A016217
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A016217 Expansion of 1/((1-x)(1-3x)(1-12x)). +0
1
1, 16, 205, 2500, 30121, 361816, 4342885, 52117900, 625424641, 7505125216, 90061591165, 1080739359700, 12968873113561, 155626479754216, 1867517764225045, 22410213192223900, 268922558371256881 (list; graph; listen)
OFFSET

0,2

MAPLE

a:=n->sum((12^(n-j)-3^(n-j))/9, j=0..n): seq(a(n), n=1..17); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 12 2007

CROSSREFS

Sequence in context: A129333 A001810 A016165 this_sequence A055758 A046088 A016159

Adjacent sequences: A016214 A016215 A016216 this_sequence A016218 A016219 A016220

KEYWORD

nonn

AUTHOR

njas

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Last modified December 3 16:57 EST 2008. Contains 151279 sequences.


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