G.f. satisfies: A(x) = 1 + x*A(x) + x^2*A(x)^2 + 3*x^3*A(x)*A'(x) + x^4*A(x)*A''(x).
A245313
G.f. satisfies: A(x) = 1 + x*A(x) + x^2*A(x)^2 + 3*x^3*A(x)*A'(x) + x^4*A(x)*A''(x).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =31a(5) =176a(6) =1158a(7) =8919a(8) =76751a(9) =742597a(10) =7865088a(11) =91553100a(12) =1150905332a(13) =15665172108a(14) =227991734414
External references
- oeis: A245313