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Search: id:A128967
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A128967 (n^3-n)*8^n. +0
1
0, 384, 12288, 245760, 3932160, 55050240, 704643072, 8455716864, 96636764160, 1063004405760, 11338713661440, 117922622078976, 1200666697531392, 12006666975313920, 118219490218475520, 1148417904979476480 (list; graph; listen)
OFFSET

1,2

FORMULA

G.f.: 384x^2/(1-8x)^4. a(n)=384*A140802(n-2). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Dec 19 2008]

CROSSREFS

Cf. A128796; A036289.

Sequence in context: A134175 A134241 A061403 this_sequence A023098 A008692 A067518

Adjacent sequences: A128964 A128965 A128966 this_sequence A128968 A128969 A128970

KEYWORD

nonn

AUTHOR

Mohammad K. Azarian (azarian(AT)evansville.edu), Apr 28 2007

EXTENSIONS

Corrected the first offset. - Mohammad K. Azarian (azarian(AT)evansville.edu), Nov 20 2008

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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