Array read by antidiagonals: A(n,k) is the number of binary matrices with k columns and any number of nonzero rows with n ones in every column and columns in nonincreasing lexicographic order.
A330942
Array read by antidiagonals: A(n,k) is the number of binary matrices with k columns and any number of nonzero rows with n ones in every column and columns in nonincreasing lexicographic order.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =2a(8) =1a(9) =1a(10) =1a(11) =4a(12) =7a(13) =1a(14) =1a(15) =1a(16) =8a(17) =75a(18) =32a(19) =1a(20) =1a(21) =1a(22) =16a(23) =1105a(24) =2712a(25) =161a(26) =1a(27) =1a(28) =1a(29) =32
External references
- oeis: A330942