G.f. B(x) satisfies: B(x) = (1 - x^2*B(x)^2)*(1 + 2*x*B(x)) / (1 - 2*x*B(x))^3.
A341965
G.f. B(x) satisfies: B(x) = (1 - x^2*B(x)^2)*(1 + 2*x*B(x)) / (1 - 2*x*B(x))^3.
Terms
- a(0) =1a(1) =8a(2) =99a(3) =1472a(4) =24190a(5) =423352a(6) =7736687a(7) =145920704a(8) =2819185470a(9) =55507755152
External references
- oeis: A341965