Coefficient triangle of polynomials (rising powers) related to convolutions of A002605(n), n>=0, (generalized (2,2)-Fibonacci). Companion triangle is A073405.

A073406

Coefficient triangle of polynomials (rising powers) related to convolutions of A002605(n), n>=0, (generalized (2,2)-Fibonacci). Companion triangle is A073405.

Terms

    a(0) =2a(1) =36a(2) =12a(3) =1056a(4) =672a(5) =96a(6) =43968a(7) =40416a(8) =10752a(9) =864a(10) =2396160a(11) =2815488a(12) =1051776a(13) =156672a(14) =8064a(15) =161879040a(16) =226492416a(17) =105981696a(18) =22125312a(19) =2121984a(20) =76032a(21) =13044326400a(22) =20766633984a(23) =11446769664a(24) =2995605504

External references