G.f. A(x) satisfies: A(A(A(x))) = A(A(x)) + x^2.
A177750
G.f. A(x) satisfies: A(A(A(x))) = A(A(x)) + x^2.
Terms
- a(0) =1a(1) =1a(2) =-4a(3) =32a(4) =-346a(5) =4472a(6) =-65292a(7) =1043753a(8) =-17921768a(9) =326358300a(10) =-6247293860a(11) =124904785856
External references
- oeis: A177750