G.f. satisfies: A(x) = P(x*A(x)^3) where A(x/P(x)^3) = P(x) is the g.f. for partition numbers (A000041).

A171804

G.f. satisfies: A(x) = P(x*A(x)^3) where A(x/P(x)^3) = P(x) is the g.f. for partition numbers (A000041).

Terms

    a(0) =1a(1) =1a(2) =5a(3) =33a(4) =252a(5) =2090a(6) =18299a(7) =166450a(8) =1557595a(9) =14898228a(10) =145003996a(11) =1431487820a(12) =14299208690a(13) =144262270360

External references