G.f. A(x) satisfies A(x) = (1 + x / (1 - x*A(x))^3)^3.
A365122
G.f. A(x) satisfies A(x) = (1 + x / (1 - x*A(x))^3)^3.
Terms
- a(0) =1a(1) =3a(2) =12a(3) =64a(4) =372a(5) =2319a(6) =15105a(7) =101649a(8) =701073a(9) =4929657a(10) =35207220a(11) =254690517a(12) =1862325262a(13) =13742311074a(14) =102204992352a(15) =765328009950
External references
- oeis: A365122