-26460

Appears in sequences

• Triangle T, read by rows, such that the matrix square, T^2, forms a simple 2-diagonal triangle where [T^2](n,n) = 1 and [T^2](n+1,n) = 2*(n+1) for n>=0.at n=38A113278
• Lower triangular array T(n,k) generator for group of arrays related to A001147 and A102625.at n=38A132382
• Production array of A122848, read by row.at n=47A154557
• Triangle, read by rows, T(n, k) = (-1)^n*(n!/k!)^2*binomial(n-1, k-1).at n=25A169656
• Triangle read by rows, based on expansion of (x^2/(exp(x)-1))^m = x^m+sum(n>m T(n,m)*m!/((n-m)!*n!)*x^n).at n=51A191578
• Triangle read by rows, T(n,k) matrix inverse of A256550, for n>=0 and 0<=k<=n.at n=50A256551