E.g.f. satisfies: A'(x) = (1 + x*A(x))*(1 + 2*x*A(x)).
A233537
E.g.f. satisfies: A'(x) = (1 + x*A(x))*(1 + 2*x*A(x)).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =10a(4) =51a(5) =312a(6) =2285a(7) =19776a(8) =193641a(9) =2143872a(10) =26332083a(11) =355752000a(12) =5245533579a(13) =83760362496
External references
- oeis: A233537