T(n,k) is the number of (n*k) X k binary arrays with nonzero rows in decreasing order and n ones in every column.

A188445

T(n,k) is the number of (n*k) X k binary arrays with nonzero rows in decreasing order and n ones in every column.

Terms

    a(0) =1a(1) =2a(2) =0a(3) =5a(4) =1a(5) =0a(6) =15a(7) =8a(8) =0a(9) =0a(10) =52a(11) =80a(12) =5a(13) =0a(14) =0a(15) =203a(16) =1088a(17) =205a(18) =1a(19) =0a(20) =0a(21) =877a(22) =19232a(23) =11301a(24) =278a(25) =0a(26) =0a(27) =0a(28) =4140a(29) =424400

External references