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Search: id:A160971
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| A160971 |
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Numerators of constant terms of Fourier series of meromorphic modular forms E_k/Delta, where E_k is the normalized k th Eisenstein series [cf. Serre reference] and Delta is the normalized unique weight-twelve cusp form for the full modular group (the generating function of Ramanujan's tau function.) |
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| 264, -480, 504, -240, 82104, 0, 103128, 1024080, 4203864, 1863840, 5672869224, 15790320, 81426730488, 41356037952960, 185023705021848, 3639088741200, 631566517273421638632, 3701044943799840, 6265985243914780011624
(list; graph; listen)
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OFFSET
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2,1
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REFERENCES
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J.-P. Serre, A Course in Arithmetic, Springer-Verlag, 1973, p. 93.
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FORMULA
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For 2 <= k <= 1000 and k != 7, the 2-order of the full constant term of E_k/Delta = 3 + ord_2(k - 7).
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CROSSREFS
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Sequence in context: A065570 A050240 A105683 this_sequence A123654 A014745 A004533
Adjacent sequences: A160968 A160969 A160970 this_sequence A160972 A160973 A160974
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KEYWORD
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easy,frac,sign
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AUTHOR
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Barry Brent (barrybrent(AT)iphouse.com), Jun 01 2009
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