G.f. A(x) = Sum_{n>=1} a(n)*x^(2*n-1) satisfies: A(x*R(x)) = x^2 - x^4, where A(R(x)) = x.
A350474
G.f. A(x) = Sum_{n>=1} a(n)*x^(2*n-1) satisfies: A(x*R(x)) = x^2 - x^4, where A(R(x)) = x.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =17a(4) =89a(5) =487a(6) =2835a(7) =17039a(8) =105390a(9) =665364a(10) =4273038a(11) =27820758a(12) =183232742a(13) =1218574419a(14) =8171805764a(15) =55196973265a(16) =375190697191
External references
- oeis: A350474