172332domain: NAppears in sequencesNumber of compositions into a prime number of distinct parts.at n=36A102623G.f. satisfies: A(x) = 1 + x*A(x) / ( A(I*x)*A(-I*x) ).at n=28A216683a(n) = Sum_{k=1..n} floor(n/k)^4.at n=19A318743E.g.f. A(x) satisfies A(x) = exp( x * (1 + A(x)^(5/2)) ).at n=5A372278