G.f. satisfies A(x) = (1 + x*A(x)^2) * (1 + x^2*A(x)^6).
A200718
G.f. satisfies A(x) = (1 + x*A(x)^2) * (1 + x^2*A(x)^6).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =14a(4) =75a(5) =433a(6) =2636a(7) =16668a(8) =108399a(9) =720431a(10) =4871555a(11) =33409042a(12) =231817448a(13) =1624503716a(14) =11480658056a(15) =81731416480a(16) =585579734959
External references
- oeis: A200718