G.f. satisfies: A(x*g(x)) = g(x) where g(x) is the g.f. of A088716.
A088715
G.f. satisfies: A(x*g(x)) = g(x) where g(x) is the g.f. of A088716.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =36a(5) =240a(6) =1926a(7) =17815a(8) =184916a(9) =2116498a(10) =26391700a(11) =355405934a(12) =5134778584a(13) =79178537346
External references
- oeis: A088715