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A135468 Numerators of expansion of eta(5t)^2*eta(10t)^(13/5)*eta(20t)^(-9/5)*eta(40t)^(6/5). +0
1
0, 0, 1, 0, 0, 0, 0, -2, 0, 0, 0, 0, -18, 0, 0, 0, 0, 36, 0, 0, 0, 0, 122, 0, 0, 0, 0, -144, 0, 0, 0, 0, -852, 0, 0, 0, 0, -96, 0, 0, 0, 0, 5244, 0, 0, 0, 0, -4538, 0, 0, 0, 0, -7332, 0, 0, 0, 0, 151164, 0, 0, 0, 0, 67896, 0, 0, 0, 0, 236208, 0, 0, 0, 0, -1405224, 0, 0, 0, 0, 577248, 0, 0, 0, 0, -20031881 (list; graph; listen)
OFFSET

2,8

REFERENCES

Ishikawa, T., Congruences between binomial coefficients binom(2f,f) and Fourier coefficients of certain eta-products, Hiroshima Math. J. 22 (1992), no. 3, 583-590.

EXAMPLE

q^2-2*q^7-18/5*q^12+36/5*q^17+122/25*q^22-144/25*q^27-...

CROSSREFS

Sequence in context: A006792 A011992 A107503 this_sequence A003196 A062977 A072325

Adjacent sequences: A135465 A135466 A135467 this_sequence A135469 A135470 A135471

KEYWORD

sign,frac

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Feb 07 2008

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.


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