T(n,k)=Number of nXk binary arrays with row sums nondecreasing and columns lexicographically nondecreasing.

A267245

T(n,k)=Number of nXk binary arrays with row sums nondecreasing and columns lexicographically nondecreasing.

Terms

    a(0) =2a(1) =3a(2) =3a(3) =4a(4) =7a(5) =4a(6) =5a(7) =13a(8) =15a(9) =5a(10) =6a(11) =22a(12) =42a(13) =31a(14) =6a(15) =7a(16) =34a(17) =105a(18) =141a(19) =63a(20) =7a(21) =8a(22) =50a(23) =232a(24) =567a(25) =486a(26) =127a(27) =8a(28) =9a(29) =70

External references