G.f. A(x) satisfies: A(x) = 1/(1 - 2*x*A(x) - x*A(x)/(1 - x*A(x)/(1 - x*A(x)/(1 - ...)))), a continued fraction.
A307489
G.f. A(x) satisfies: A(x) = 1/(1 - 2*x*A(x) - x*A(x)/(1 - x*A(x)/(1 - x*A(x)/(1 - ...)))), a continued fraction.
Terms
- a(0) =1a(1) =3a(2) =19a(3) =152a(4) =1367a(5) =13195a(6) =133556a(7) =1398696a(8) =15029311a(9) =164764985a(10) =1835614027a(11) =20722066612a(12) =236524088612
External references
- oeis: A307489