Triangle T, read by rows, where column k of T equals (k+1)*(column k of T^2) when shifted to have an initial '1'; i.e., T(n,k) = (k+1)*[T^2](n-1,k) for n>k>=0, with T(n,n)=1 for n>=0.

A123305

Triangle T, read by rows, where column k of T equals (k+1)*(column k of T^2) when shifted to have an initial '1'; i.e., T(n,k) = (k+1)*[T^2](n-1,k) for n>k>=0, with T(n,n)=1 for n>=0.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =1a(6) =6a(7) =8a(8) =3a(9) =1a(10) =26a(11) =44a(12) =18a(13) =4a(14) =1a(15) =156a(16) =312a(17) =144a(18) =32a(19) =5a(20) =1a(21) =1234a(22) =2776a(23) =1422a(24) =336a(25) =50a(26) =6a(27) =1a(28) =12340a(29) =30312

External references