-1114

Appears in sequences

• McKay-Thompson series of class 18i for the Monster group.at n=53A112157
• Expansion of q * (psi(q^5) / psi(q))^2 in powers of q where psi() is a Ramanujan theta function.at n=17A138519
• Expansion of Sum_{k>=0} x^(k^2) / Product_{j=1..k} (1 + x^j)^j.at n=58A306708
• Expansion of g.f. A(x,y) satisfying Sum_{n>=0} Product_{k=1..n} (x^k + y*A(x,y)) = 1 + (y+1) * Sum_{n>=1} x^(n*(n+1)/2), as a triangle of coefficients T(n,k) of x^n*y^k in A(x,y) read by rows.at n=85A370140