Array read by antidiagonals: A(n,k) is the number of binary matrices with k columns and any number of distinct nonzero rows with n ones in every column and columns in nonincreasing lexicographic order.
A331571
Array read by antidiagonals: A(n,k) is the number of binary matrices with k columns and any number of distinct 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) =0a(9) =1a(10) =1a(11) =4a(12) =3a(13) =0a(14) =1a(15) =1a(16) =8a(17) =23a(18) =0a(19) =0a(20) =1a(21) =1a(22) =16a(23) =290a(24) =184a(25) =0a(26) =0a(27) =1a(28) =1a(29) =32
External references
- oeis: A331571