G.f. A(x) satisfies A(x) = (1 + 9*x*A(x)^4)^(2/3).
A386415
G.f. A(x) satisfies A(x) = (1 + 9*x*A(x)^4)^(2/3).
Terms
- a(0) =1a(1) =6a(2) =135a(3) =4140a(4) =146475a(5) =5629338a(6) =228355281a(7) =9622693080a(8) =417122726490
External references
- oeis: A386415