G.f. satisfies: 15*A(x) = 14 + 27*x + A(x)^6, starting with [1,3,15].
A120601
G.f. satisfies: 15*A(x) = 14 + 27*x + A(x)^6, starting with [1,3,15].
Terms
- a(0) =1a(1) =3a(2) =15a(3) =210a(4) =3510a(5) =65562a(6) =1310901a(7) =27446760a(8) =594104940a(9) =13187589690a(10) =298555767279
External references
- oeis: A120601