-7400

Appears in sequences

• McKay-Thompson series of class 18C for the Monster group.at n=39A058533
• McKay-Thompson series of class 18C for the Monster group with a(0) = -3.at n=39A123676
• Expansion of chi(-q)^5 / chi(-q^5) in powers of q where chi() is a Ramanujan theta function.at n=19A138521
• McKay-Thompson series of class 18C for the Monster group with a(0) = -2.at n=39A215412
• McKay-Thompson series of class 18C for the Monster group with a(0) = 1.at n=39A215413
• E.g.f. A(x,k) satisfies: sn(A(x,k), k) = k * sn(x,k), where sn(,) and cn(,) are Jacobi Elliptic functions.at n=19A291527
• a(n) = n! * [x^n] log(1 + exp(x)*(x + (n/2 - 1)*x^2)).at n=7A320255