OFFSET
1,2
COMMENTS
a(n) is a multiple of 24.
LINKS
Seiichi Manyama, Table of n, a(n) for n = 1..377
N. J. A. Sloane, Transforms
Eric Weisstein's World of Mathematics, Leech Lattice
EXAMPLE
1 + 196560*q^2 + 16773120*q^3 + 398034000*q^4 + ... = (1-q^2)^(-196560) * (1-q^3)^(-16773120) * (1-q^4)^18919981080 * ... .
CROSSREFS
KEYWORD
sign
AUTHOR
Seiichi Manyama, Jun 14 2018
STATUS
approved