-12571

Appears in sequences

• McKay-Thompson series of class 12a for Monster.at n=12A058489
• Coefficients in the power series expansion of A(x) = Sum_{n=-oo..+oo} n*(n+1)*(n+2)/6 * x^(3*n) * (1 - x^n)^(n-2).at n=45A357156
• G.f. satisfies A(x) = 1 + x/(1 + x^4) * A(x/(1 + x^4)).at n=20A360899