Coefficient triangle of polynomials (falling powers) related to convolutions of A001045(n+1), n>=0, (generalized (1,2)-Fibonacci). Companion triangle is A073400.

A073399

Coefficient triangle of polynomials (falling powers) related to convolutions of A001045(n+1), n>=0, (generalized (1,2)-Fibonacci). Companion triangle is A073400.

Terms

    a(0) =1a(1) =9a(2) =30a(3) =63a(4) =531a(5) =1050a(6) =405a(7) =6165a(8) =29610a(9) =44520a(10) =2511a(11) =59454a(12) =502821a(13) =1789614a(14) =2245320a(15) =15309a(16) =517104a(17) =6686631a(18) =41182344a(19) =120133692a(20) =131891760a(21) =92583a(22) =4214349a(23) =76790673a(24) =714174327a(25) =3559509360a(26) =8966770308a(27) =8862693840

External references