Search: id:A047645
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%I A047645
%S A047645 1,20,190,1140,4825,15124,35320,57760,45220,80560,405954,910460,
%T A047645 1289340,852340,1259530,5357924,10151510,12048660,5883350,12186960,
%U A047645 40135713,66244280,69648870,28191460,66920755,195366168,300881530
%V A047645 1,-20,190,-1140,4825,-15124,35320,-57760,45220,80560,-405954,910460,
%W A047645 -1289340,852340,1259530,-5357924,10151510,-12048660,5883350,12186960,
%X A047645 -40135713,66244280,-69648870,28191460,66920755,-195366168,300881530
%N A047645 Expand {Product_{j=1..inf} (1-x^j) - 1 }^20 in powers of x.
%D A047645 H. Gupta, On the coefficients of the powers of Dedekind's modular form, 
               J. London Math. Soc., 39 (1964), 433-440.
%Y A047645 Sequence in context: A091983 A037250 A000144 this_sequence A010936 A014806 
               A022615
%Y A047645 Adjacent sequences: A047642 A047643 A047644 this_sequence A047646 A047647 
               A047648
%K A047645 sign
%O A047645 1,2
%A A047645 N. J. A. Sloane (njas(AT)research.att.com).

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