G.f. A(x) satisfies A(x) = 1/((1 - x) * (1 - x*A(x) - x^4*A'''(x))).
A385759
G.f. A(x) satisfies A(x) = 1/((1 - x) * (1 - x*A(x) - x^4*A'''(x))).
Terms
- a(0) =1a(1) =2a(2) =5a(3) =15a(4) =141a(5) =3932a(6) =251717a(7) =31216948a(8) =6680698525
External references
- oeis: A385759