-1501

Appears in sequences

• Row sums of triangle A132898.at n=37A132899
• a(n) = A256357(n^2), where exp( Sum_{n>=1} A256357(n)*x^n/n ) = 1 + Sum_{n>=1} x^(n^2) + x^(2*n^2).at n=23A258655
• Expansion of e.g.f. cos(x/(1 - x)).at n=6A317409
• Expansion of g.f. (1 - theta_4(x))/2 / Product_{n>=1} (1 - x^(2*n))^3.at n=21A370150