-18240

Appears in sequences

• Expansion of Product_{m>=1} (1+m*q^m)^-24.at n=5A022716
• Expansion of g.f. (1+x)^2*(x^2-6*x+1)/(x-1)^4.at n=19A136264
• E.g.f. A(x) satisfies A(x) = 1/( 1 - x * cos(x * A(x)^2) ).at n=6A381378