G.f. satisfies: A(x) = Sum_{n>=0} x^n * A(x)^(n^2) / (1 + x*A(x)^n)^n.
A221585
G.f. satisfies: A(x) = Sum_{n>=0} x^n * A(x)^(n^2) / (1 + x*A(x)^n)^n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =10a(5) =39a(6) =170a(7) =788a(8) =3885a(9) =20060a(10) =107989a(11) =603762a(12) =3496305a(13) =20943217a(14) =129663393a(15) =829488918a(16) =5483243950a(17) =37460570247a(18) =264551156875
External references
- oeis: A221585