Number of binary matrices with distinct nonzero rows, a total of n ones and each column with the same number of ones and columns in nonincreasing lexicographic order.
A331653
Number of binary matrices with distinct nonzero rows, a total of n ones and each column with the same number of ones and columns in nonincreasing lexicographic order.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =11a(4) =16a(5) =55a(6) =64a(7) =418a(8) =440a(9) =4810a(10) =1024a(11) =99519a(12) =4096a(13) =1711115a(14) =2797136a(15) =43103893a(16) =65536a(17) =1877466431a(18) =262144a(19) =38795757791a(20) =236478538994a(22) =4194304a(24) =585914511112a(28) =268435456
External references
- oeis: A331653