G.f. satisfies A(x) such that: -1 = Sum_{n=-oo..+oo} (-1)^n * x^(2*n+1) * (1 + x^n)^(n+1) * A(x)^n.
A380557
G.f. satisfies A(x) such that: -1 = Sum_{n=-oo..+oo} (-1)^n * x^(2*n+1) * (1 + x^n)^(n+1) * A(x)^n.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =10a(4) =35a(5) =146a(6) =589a(7) =2521a(8) =10880a(9) =48130a(10) =215490a(11) =978131a(12) =4483493a(13) =20740309a(14) =96667511a(15) =453596099a(16) =2140879339a(17) =10157274086a(18) =48414142443a(19) =231726319442
External references
- oeis: A380557