G.f. A(x) satisfies: A( 4*A(x)^2 - 16*A(x)^3 ) = 4*x^2.
A271961
G.f. A(x) satisfies: A( 4*A(x)^2 - 16*A(x)^3 ) = 4*x^2.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =48a(4) =350a(5) =2624a(6) =19788a(7) =164352a(8) =1375222a(9) =11676672a(10) =100528724a(11) =879042560a(12) =7766216812a(13) =69183897600a(14) =621144540056
External references
- oeis: A271961