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A290404
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Expansion of (1 - lambda(z) + lambda(z)^2)^3 in powers of nome q = exp(Pi*i*z) where lambda(z) is the elliptic modular function (A115977).
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3
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1, -48, 1920, -55360, 1324032, -26724000, 464570880, -7064945280, 94923448320, -1136097028848, 12215871801600, -119054431876800, 1060887371509760, -8714739888694560, 66487024888734720, -474247005621552000, 3181339807178883072, -20174389229411069280
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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) ~ (-1)^n * 3^(1/4) * exp(2*Pi*sqrt(6*n)) / (2^(99/4) * n^(3/4)). - Vaclav Kotesovec, Apr 06 2018
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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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