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A001490 Expand {Product_{j=1..inf} (1-x^j) - 1 }^12 in powers of x.
(Formerly M4845 N2071)
1
1, -12, 66, -220, 483, -660, 252, 1320, -4059, 6644, -6336, 240, 12255, -27192, 35850, -27972, -2343, 50568, -99286, 122496, -96162, 11584, 115116, -242616, 315216, -283800, 128304, 126280, -409398, 622644, -671550, 501468, -122508, -382360 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

REFERENCES

H. Gupta, On the coefficients of the powers of Dedekind's modular form, J. London Math. Soc., 39 (1964), 433-440.

M. Kontsevich and D. Zagier, Periods, pp. 771-808 of B. Engquist and W. Schmid, editors, Mathematics Unlimited - 2001 and Beyond, 2 vols., Springer-Verlag, 2001.

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Table of n, a(n) for n=1..34.

FORMULA

G.f.: (eta(z)*eta(6*z)/(eta(2*z)*eta(3*z)))^12.

CROSSREFS

Sequence in context: A289223 A296914 A285580 * A010928 A080559 A284641

Adjacent sequences:  A001487 A001488 A001489 * A001491 A001492 A001493

KEYWORD

sign

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 17 12:01 EDT 2018. Contains 316279 sequences. (Running on oeis4.)