G.f. A(x) satisfies: A(x)^2 - 4*A(x)^3 = A(x^2).
A274736
G.f. A(x) satisfies: A(x)^2 - 4*A(x)^3 = A(x^2).
Terms
- a(0) =1a(1) =2a(2) =11a(3) =68a(4) =497a(5) =3862a(6) =31691a(7) =269064a(8) =2346455a(9) =20883170a(10) =188928097a(11) =1732200684a(12) =16059878311a(13) =150308726166
External references
- oeis: A274736