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Search: id:A118342
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A118342 Self-convolution cube of A108447. +0
3
1, 3, 15, 85, 519, 3330, 22135, 151089, 1052805, 7458236, 53554548, 388913046, 2851368587, 21076979445, 156907929177, 1175381112901, 8853057357159, 67007699270040, 509390314298820, 3887605401119964, 29775366104932044 (list; graph; listen)
OFFSET

0,2

PROGRAM

(PARI) {a(n)=polcoeff((serreverse(x*(1-x+sqrt((1-x)*(1-5*x)+x*O(x^n)))/2/(1-x))/x)^3, n)}

CROSSREFS

Cf. A108447, A118341, A118343.

Sequence in context: A067122 A093593 A011900 this_sequence A084209 A127085 A093615

Adjacent sequences: A118339 A118340 A118341 this_sequence A118343 A118344 A118345

KEYWORD

nonn

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), Apr 25 2006

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.


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