G.f. satisfies: A( A(x)^2 - A(x)^3 ) = x^2, where A(x) = Sum_{n>=1} a(n)*x^n / 2^A273926(n).
A273925
G.f. satisfies: A( A(x)^2 - A(x)^3 ) = x^2, where A(x) = Sum_{n>=1} a(n)*x^n / 2^A273926(n).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =3a(4) =175a(5) =41a(6) =4947a(7) =321a(8) =687611a(9) =11403a(10) =25132181a(11) =107305a(12) =1941554203a(13) =2111325a(14) =77643067507a(15) =21427329a(17) =1782548851a(19) =18891311061a(21) =406630578535
External references
- oeis: A273925