Expansion of g.f. A(x) satisfying 1 = Sum_{n=-oo..+oo} x^n * ((-x)^(n-1) - 2*A(x))^n.
A361778
Expansion of g.f. A(x) satisfying 1 = Sum_{n=-oo..+oo} x^n * ((-x)^(n-1) - 2*A(x))^n.
Terms
- a(0) =1a(1) =2a(2) =7a(3) =27a(4) =109a(5) =459a(6) =2006a(7) =9017a(8) =41384a(9) =193048a(10) =912571a(11) =4361939a(12) =21045710a(13) =102361864a(14) =501349447a(15) =2470556294a(16) =12240270901a(17) =60935582862a(18) =304660949343
External references
- oeis: A361778