Triangular array: the fusion of polynomial sequences P and Q given by p(n,x) = (2x+1)^n and q(n,x) = (2x+1)^n.

A193730

Triangular array: the fusion of polynomial sequences P and Q given by p(n,x) = (2x+1)^n and q(n,x) = (2x+1)^n.

Terms

    a(0) =1a(1) =2a(2) =1a(3) =4a(4) =8a(5) =3a(6) =8a(7) =28a(8) =30a(9) =9a(10) =16a(11) =80a(12) =144a(13) =108a(14) =27a(15) =32a(16) =208a(17) =528a(18) =648a(19) =378a(20) =81a(21) =64a(22) =512a(23) =1680a(24) =2880a(25) =2700a(26) =1296a(27) =243a(28) =128a(29) =1216

External references