T(n,k)=Number of (n*k)Xk binary arrays with nonzero rows in decreasing order, no more than 2 ones in any row and exactly n ones in every column.

A188448

T(n,k)=Number of (n*k)Xk binary arrays with nonzero rows in decreasing order, no more than 2 ones in any row and exactly n ones in every column.

Terms

    a(0) =1a(1) =2a(2) =0a(3) =4a(4) =1a(5) =0a(6) =10a(7) =4a(8) =0a(9) =0a(10) =26a(11) =18a(12) =1a(13) =0a(14) =0a(15) =76a(16) =112a(17) =10a(18) =0a(19) =0a(20) =0a(21) =232a(22) =820a(23) =112a(24) =1a(25) =0a(26) =0a(27) =0a(28) =764a(29) =6912

External references