-6354
domain: Z
Appears in sequences
- Expansion of Product_{m>=1} (1 - m*q^m)^9.at n=14A022669
- G.f. satisfies: A(x) = 1 + x*A(x)/A(-x) + x^2*A(x)*A(-x).at n=17A208889
- a(0) = 1, a(1) = 2, a(2) = 3; thereafter, a(n) = a(n-1) + (sum of prior prime terms or whose negatives are prime) - (sum of prior composite terms or whose negatives are composite).at n=45A381150