Expansion of g.f. A(x) satisfying A(x) = 1 + x*(A(x)^2 + A(-x)^2)/2 + x*(A(x)^4 - A(-x)^4)/2.
A368629
Expansion of g.f. A(x) satisfying A(x) = 1 + x*(A(x)^2 + A(-x)^2)/2 + x*(A(x)^4 - A(-x)^4)/2.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =9a(4) =88a(5) =210a(6) =2644a(7) =6493a(8) =91992a(9) =229646a(10) =3484008a(11) =8789562a(12) =139443168a(13) =354379540a(14) =5801987316a(15) =14824740645a(16) =248459660984a(17) =637465292438
External references
- oeis: A368629