G.f. satisfies: A(x) = exp( Sum_{n>=1} x^n/n * Product_{k>=1} 1/(1 - x^(n*k)*A(x^k)^n) ).
A218551
G.f. satisfies: A(x) = exp( Sum_{n>=1} x^n/n * Product_{k>=1} 1/(1 - x^(n*k)*A(x^k)^n) ).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =5a(4) =13a(5) =37a(6) =106a(7) =322a(8) =987a(9) =3119a(10) =9985a(11) =32499a(12) =106910a(13) =355524a(14) =1191960a(15) =4026739a(16) =13689783a(17) =46807685a(18) =160842381a(19) =555175377a(20) =1923970425a(21) =6691769948a(22) =23351250882a(23) =81729943060a(24) =286842588316
External references
- oeis: A218551