G.f. satisfies: A(x) = 1 + x*A(x)^4*A(x*A(x)^4).
A215506
G.f. satisfies: A(x) = 1 + x*A(x)^4*A(x*A(x)^4).
Terms
- a(0) =1a(1) =1a(2) =5a(3) =39a(4) =387a(5) =4516a(6) =59522a(7) =864981a(8) =13641761a(9) =230931591a(10) =4162594198a(11) =79412758356
External references
- oeis: A215506