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A299712
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Coefficients in expansion of (E_14/E_2^14)^(1/4).
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3
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1, 78, -44928, -14386944, -5323508814, -1996794824544, -833028042023424, -358702721913389568, -160514702770156497360, -73334654476723097306706, -34151846554093744054455552, -16125009656471947012310740224
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OFFSET
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0,2
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LINKS
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FORMULA
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a(n) ~ -2^(3/4) * sqrt(3) * Pi^(11/2) * exp(2*Pi*n) / (864 * Gamma(3/4)^9 * n^(5/4)). - Vaclav Kotesovec, Jun 03 2018
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MATHEMATICA
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terms = 12;
E2[x_] = 1 - 24*Sum[k*x^k/(1 - x^k), {k, 1, terms}];
E4[x_] = 1 + 240*Sum[k^3*x^k/(1 - x^k), {k, 1, terms}];
E10[x_] = 1 - 264*Sum[k^9*x^k/(1 - x^k), {k, 1, terms}];
E14[x_] = E4[x]*E10[x];
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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STATUS
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approved
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