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%I #12 Oct 19 2018 17:02:05
%S 0,756,4032,-265734,-2987712,120604680,2176735680,-58263976134,
%T -1563340453248,27722120100948,1105815958027200,-12029301541618956,
%U -769283790627284352,3952625120472002580,525306588856752370752,41570815360527775098,-351118365555207656907648
%N Inverse Euler transform of A004010.
%C a(n) is a multiple of 6.
%H Seiichi Manyama, <a href="/A320686/b320686.txt">Table of n, a(n) for n = 1..695</a>
%H N. J. A. Sloane, <a href="/transforms.txt">Transforms</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/Coxeter-ToddLattice.html">Coxeter-Todd Lattice</a>
%e 1 + 756*q^2 + 4032*q^3 + 20412*q^4 + ... = (1-q^2)^(-756) * (1-q^3)^(-4032) * (1-q^4)^265734 * ... .
%Y Cf. A004010, A107658.
%K sign
%O 1,2
%A _Seiichi Manyama_, Oct 19 2018