Coefficient triangle of polynomials (falling powers) related to convolutions of A002605(n), n>=0, (generalized (2,2)-Fibonacci). Companion triangle is A073404.

A073403

Coefficient triangle of polynomials (falling powers) related to convolutions of A002605(n), n>=0, (generalized (2,2)-Fibonacci). Companion triangle is A073404.

Terms

    a(0) =1a(1) =12a(2) =36a(3) =120a(4) =888a(5) =1536a(6) =1152a(7) =15168a(8) =62592a(9) =80448a(10) =10944a(11) =222336a(12) =1600704a(13) =4813056a(14) =5068800a(15) =103680a(16) =2992896a(17) =32811264a(18) =169917696a(19) =413351424a(20) =375598080a(21) =981504a(22) =38112768a(23) =587976192a(24) =4592982528

External references