G.f. A(x) satisfies: A(x) = Product_{k>=1} (1 + x^k*A(x)^k)^k.

A301456

G.f. A(x) satisfies: A(x) = Product_{k>=1} (1 + x^k*A(x)^k)^k.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =12a(4) =49a(5) =217a(6) =1006a(7) =4810a(8) =23576a(9) =117812a(10) =597937a(11) =3073874a(12) =15972678a(13) =83758809a(14) =442681653a(15) =2355678968a(16) =12610759255a(17) =67868269712a(18) =366979432955

External references