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A058550
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Eisenstein series E_14(q) (alternate convention E_7(q)).
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11
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1, -24, -196632, -38263776, -1610809368, -29296875024, -313495116768, -2325336249792, -13195750342680, -61004818143672, -240029297071632, -828545091454368, -2568152034827232, -7269002558214096, -19051479894545856, -46708710975763776
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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REFERENCES
| R. C. Gunning, Lectures on Modular Forms. Princeton Univ. Press, Princeton, NJ, 1962, p. 53.
N. Koblitz, Introduction to Elliptic Curves and Modular Forms, Springer-Verlag, 1984, see p. 111.
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LINKS
| Index entries for sequences related to Eisenstein series
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MAPLE
| E := proc(k) local n, t1; t1 := 1-(2*k/bernoulli(k))*add(sigma[k-1](n)*q^n, n=1..60); series(t1, q, 60); end; E(14);
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PROG
| (PARI) a(n)=if(n<1, n==0, -24*sigma(n, 13))
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CROSSREFS
| Cf. A006352 (E_2), A004009 (E_4), A013973 (E_6), A008410 (E_8), A013974 (E_10), A029828 (E_12), A058550 (E_14), A029829 (E_16), A029830 (E_20), A029831 (E_24).
Sequence in context: A179268 A056947 A048057 * A145200 A007240 A173172
Adjacent sequences: A058547 A058548 A058549 * A058551 A058552 A058553
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KEYWORD
| sign
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Dec 25 2000
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