G.f. A(x) satisfies: A(x) = x + A(x)^2 - R(A(x)^2) + sqrt( A(x)^2 - R(A(x)^2) ), where R(A(x)) = x, and A(x) = Sum_{n>=1} a(n)*x^n/2^A274715(n).

A274714

G.f. A(x) satisfies: A(x) = x + A(x)^2 - R(A(x)^2) + sqrt( A(x)^2 - R(A(x)^2) ), where R(A(x)) = x, and A(x) = Sum_{n>=1} a(n)*x^n/2^A274715(n).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =6a(4) =20a(5) =141a(6) =260a(7) =1985a(8) =3887a(9) =124213a(10) =63013a(11) =2072737a(12) =4308063a(13) =72299423a(14) =19110234a(15) =1302089975a(16) =2789327371a(17) =192236392547a(18) =13000018109

External references