Coefficient triangle of polynomials (rising powers) related to convolutions of A002605(n), n >= 0, (generalized (2,2)-Fibonacci). Companion triangle is A073406.

A073405

Coefficient triangle of polynomials (rising powers) related to convolutions of A002605(n), n >= 0, (generalized (2,2)-Fibonacci). Companion triangle is A073406.

Terms

    a(0) =1a(1) =36a(2) =12a(3) =1536a(4) =888a(5) =120a(6) =80448a(7) =62592a(8) =15168a(9) =1152a(10) =5068800a(11) =4813056a(12) =1600704a(13) =222336a(14) =10944a(15) =375598080a(16) =413351424a(17) =169917696a(18) =32811264a(19) =2992896a(20) =103680a(21) =32103751680a(22) =39661608960a(23) =19066503168a(24) =4592982528

External references