G.f. A(x) satisfies: A(x) = x * Product_{k>=1} (1 + A(x^k))/(1 - A(x^k)).
A308368
G.f. A(x) satisfies: A(x) = x * Product_{k>=1} (1 + A(x^k))/(1 - A(x^k)).
Terms
- a(0) =1a(1) =2a(2) =8a(3) =32a(4) =142a(5) =652a(6) =3176a(7) =15916a(8) =82120a(9) =432334a(10) =2315360a(11) =12569180a(12) =69018212a(13) =382630996a(14) =2138788360a(15) =12040391240a(16) =68204335458a(17) =388473940840
External references
- oeis: A308368