G.f. A(x) satisfies 2 = Sum_{n=-oo..+oo} (-1)^n * x^n * (A(x) + x^n)^(3*n+1).
A380676
G.f. A(x) satisfies 2 = Sum_{n=-oo..+oo} (-1)^n * x^n * (A(x) + x^n)^(3*n+1).
Terms
- a(0) =1a(1) =2a(2) =9a(3) =76a(4) =591a(5) =5127a(6) =46919a(7) =444617a(8) =4333010a(9) =43132310a(10) =436715297a(11) =4483520704a(12) =46564078707a(13) =488335074439
External references
- oeis: A380676