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Search: id:A136508
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A136508 G.f.: A(x) = Sum_{n>=0} (-1)^n * log(1 - x - 2^n*x^2)^n / n! . +0
3
1, 1, 3, 7, 23, 81, 361, 1923, 13113, 114433, 1315783, 20286135, 420198791, 12003852369, 464295025509, 25153926114307, 1847231277588405, 191568316434991857, 26902669460380225411, 5357197471644242149975 (list; graph; listen)
OFFSET

0,3

PROGRAM

(PARI) {a(n)=polcoeff(sum(i=0, n, (-1)^i*log(1-x-2^i*x^2 +x*O(x^n))^i/i!), n)}

CROSSREFS

Cf. A136509; A136507.

Adjacent sequences: A136505 A136506 A136507 this_sequence A136509 A136510 A136511

Sequence in context: A148711 A148712 A104088 this_sequence A099152 A113860 A080355

KEYWORD

nonn

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), Jan 01 2008

page 1

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Last modified January 7 17:35 EST 2009. Contains 152824 sequences.


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