T(n,k) = Number of (n+1) X (k+1) 0..5 arrays with column and row pair sums b(i,j) = a(i,j)+a(i,j-1) and c(i,j) = a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively.

A203944

T(n,k) = Number of (n+1) X (k+1) 0..5 arrays with column and row pair sums b(i,j) = a(i,j)+a(i,j-1) and c(i,j) = a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively.

Terms

    a(0) =406a(1) =4471a(2) =4471a(3) =36672a(4) =91396a(5) =36672a(6) =269254a(7) =1350442a(8) =1350442a(9) =269254a(10) =1769897a(11) =15288484a(12) =32094464a(13) =15288484a(14) =1769897a(15) =10808414a(16) =145455811a(17) =568991365a(18) =568991365a(19) =145455811a(20) =10808414a(21) =62091544a(22) =1186308022a(23) =7806803388a(24) =14543414270

External references