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A047645 Expand {Product_{j=1..inf} (1-x^j) - 1 }^20 in powers of x. 0
1, -20, 190, -1140, 4825, -15124, 35320, -57760, 45220, 80560, -405954, 910460, -1289340, 852340, 1259530, -5357924, 10151510, -12048660, 5883350, 12186960, -40135713, 66244280, -69648870, 28191460, 66920755, -195366168, 300881530 (list; graph; refs; listen; history; 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.

CROSSREFS

Sequence in context: A037250 A000144 A177073 * A010936 A014806 A022615

Adjacent sequences:  A047642 A047643 A047644 * A047646 A047647 A047648

KEYWORD

sign

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 21:51 EST 2012. Contains 205978 sequences.