G.f. satisfies A(x) = (1 + x*A(x)) * (1 + x*A(x)^4).
A215623
G.f. satisfies A(x) = (1 + x*A(x)) * (1 + x*A(x)^4).
Terms
- a(0) =1a(1) =2a(2) =11a(3) =89a(4) =836a(5) =8551a(6) =92445a(7) =1039030a(8) =12019135a(9) =142151324a(10) =1711116646a(11) =20894534324a(12) =258195565959
External references
- oeis: A215623