Number of binary matrices with distinct nonzero rows, a total of n ones and distinct columns each with the same number of ones and columns in decreasing lexicographic order.
A331651
Number of binary matrices with distinct nonzero rows, a total of n ones and distinct columns each with the same number of ones and columns in decreasing lexicographic order.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =4a(4) =1a(5) =18a(6) =1a(7) =231a(8) =185a(9) =3265a(10) =1a(11) =78115a(12) =1a(13) =1287063a(14) =2711905a(15) =32669406a(16) =1a(17) =1568741156a(18) =1a(19) =29488026590a(20) =232383728379a(21) =967596779632a(22) =1a(24) =585810653617a(28) =1
External references
- oeis: A331651