a(n) = coefficient of x^n in A(x) where x = Sum_{n=-oo..+oo} (-1)^(n-1) * x^n * (2 + x^n*A(x)^n)^n.
A359922
a(n) = coefficient of x^n in A(x) where x = Sum_{n=-oo..+oo} (-1)^(n-1) * x^n * (2 + x^n*A(x)^n)^n.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =9a(4) =42a(5) =187a(6) =775a(7) =3470a(8) =16085a(9) =76521a(10) =368274a(11) =1791494a(12) =8829531a(13) =43964379a(14) =220667042a(15) =1115235384a(16) =5671532510a(17) =29004157940a(18) =149056379047a(19) =769368598912
External references
- oeis: A359922