Coefficient triangle of polynomials (falling powers) related to convolutions of A002605(n), n>=0, (generalized (2,2)-Fibonacci). Companion triangle is A073403.

A073404

Coefficient triangle of polynomials (falling powers) related to convolutions of A002605(n), n>=0, (generalized (2,2)-Fibonacci). Companion triangle is A073403.

Terms

    a(0) =2a(1) =12a(2) =36a(3) =96a(4) =672a(5) =1056a(6) =864a(7) =10752a(8) =40416a(9) =43968a(10) =8064a(11) =156672a(12) =1051776a(13) =2815488a(14) =2396160a(15) =76032a(16) =2121984a(17) =22125312a(18) =105981696a(19) =226492416a(20) =161879040a(21) =718848a(22) =27205632a(23) =404656128a(24) =2995605504

External references