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A106205
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Expansion of (q*j(q))^(1/24) where j(q) is the elliptic modular invariant (A000521).
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1
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1, 31, -2848, 413823, -68767135, 12310047967, -2309368876639, 447436508910495, -88755684988520798, 17924937024841839390, -3671642907594608226078, 760722183234128461061246, -159105706560247952472114973
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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FORMULA
| This is essentially the eighth root of the theta series of E_8 (A108091), divided by the Dedekind eta function. - N. J. A. Sloane (njas(AT)research.att.com), Aug 08 2005
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EXAMPLE
| 1 + 31*q - 2848*q^2 + 413823*q^3 - 68767135*q^4 + 12310047967*q^5 - 2309368876639*q^6 + ...
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PROG
| (PARI) {a(n)=if(n<0, 0, polcoeff( (ellj(x+x^2*O(x^n))*x)^(1/24), n))}
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CROSSREFS
| Cf. A000521.
Sequence in context: A062987 A136245 A173563 * A174584 A183783 A072913
Adjacent sequences: A106202 A106203 A106204 * A106206 A106207 A106208
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KEYWORD
| sign
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AUTHOR
| Michael Somos, Apr 25 2005
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