G.f. A(x) satisfies A(x) = 1/((1 - x) * (1 - x*A(x) - x^6*A'''''(x))).
A385761
G.f. A(x) satisfies A(x) = 1/((1 - x) * (1 - x*A(x) - x^6*A'''''(x))).
Terms
- a(0) =1a(1) =2a(2) =5a(3) =15a(4) =51a(5) =188a(6) =23291a(7) =16862710a(8) =42561503035
External references
- oeis: A385761