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Search: id:A035150
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| A035150 |
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Fourier coefficients of (normalized Delta)^4. |
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+0
1
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| 1, -96, 4464, -133760, 2897880, -48264768, 641207744, -6954435840, 62452035180, -467536231520, 2916146241888, -14993052561792, 61695767581248, -187599812159040, 302907998183040, 676931170946304, -7255673126427378, 28908305661771648
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OFFSET
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4,2
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COMMENT
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Normalized Delta generates Ramanujan tau function. The 4th power is a weight-48 cusp form.
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FORMULA
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G.f.: q^4 * prod (1-q^n)^96, n=1..infty.
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EXAMPLE
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(normalized Delta)^4 = (tau(1)q+tau(2)q^2+ ... )^4 = q^4-96q^5+4464q^6- ....
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CROSSREFS
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Sequence in context: A164762 A008660 A164751 this_sequence A017812 A035743 A035809
Adjacent sequences: A035147 A035148 A035149 this_sequence A035151 A035152 A035153
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KEYWORD
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sign,easy
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AUTHOR
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Barry Brent (barryb(AT)primenet.com)
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