G.f. A(x) satisfies: x = A(x)-3*A(x)^2-2*A(x)^3.
A276315
G.f. A(x) satisfies: x = A(x)-3*A(x)^2-2*A(x)^3.
Terms
- a(0) =1a(1) =3a(2) =20a(3) =165a(4) =1524a(5) =15078a(6) =156264a(7) =1674585a(8) =18404980a(9) =206325834a(10) =2350049208a(11) =27118926354a(12) =316381296840
External references
- oeis: A276315