G.f. A(x) satisfies A(x) = 1/( (1+x) * (1 - x*A(x) - x^2*A'(x)) ).
A386238
G.f. A(x) satisfies A(x) = 1/( (1+x) * (1 - x*A(x) - x^2*A'(x)) ).
Terms
- a(0) =1a(1) =0a(2) =1a(3) =3a(4) =16a(5) =98a(6) =708a(7) =5827a(8) =53758a(9) =548879a(10) =6142379a(11) =74756975a(12) =983186673a(13) =13897204929a(14) =210128473576
External references
- oeis: A386238