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A320686
Inverse Euler transform of A004010.
1
0, 756, 4032, -265734, -2987712, 120604680, 2176735680, -58263976134, -1563340453248, 27722120100948, 1105815958027200, -12029301541618956, -769283790627284352, 3952625120472002580, 525306588856752370752, 41570815360527775098, -351118365555207656907648
OFFSET
1,2
COMMENTS
a(n) is a multiple of 6.
LINKS
N. J. A. Sloane, Transforms
Eric Weisstein's World of Mathematics, Coxeter-Todd Lattice
EXAMPLE
1 + 756*q^2 + 4032*q^3 + 20412*q^4 + ... = (1-q^2)^(-756) * (1-q^3)^(-4032) * (1-q^4)^265734 * ... .
CROSSREFS
Sequence in context: A202198 A158657 A004010 * A339797 A288779 A018898
KEYWORD
sign
AUTHOR
Seiichi Manyama, Oct 19 2018
STATUS
approved