G.f. satisfies: A(x) = Sum_{n>=0} (A(x)^n + 1)^n * x^n / (1+x)^(n+1).
A251178
G.f. satisfies: A(x) = Sum_{n>=0} (A(x)^n + 1)^n * x^n / (1+x)^(n+1).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =9a(4) =45a(5) =260a(6) =1631a(7) =10901a(8) =76489a(9) =558396a(10) =4215058a(11) =32758362a(12) =261329689a(13) =2135425660a(14) =17847456953a(15) =152421972422
External references
- oeis: A251178