-4429domain: ZAppears in sequencesExpansion of 1/(1 - x*Product_{k>=1} 1/(1 + x^k)^k).at n=18A299212Coefficients in the even function A(x) = Sum_{n>=0} a(n)*x^(2*n) such that: 2 = Sum_{n=-oo..+oo} x^n * (x^n + i*sqrt(A(x)))^n, where i^2 = -1.at n=12A355867