Number of 6 X 6 binary matrices with n ones, with no zero rows or columns, up to row and column permutation.

A056037

Number of 6 X 6 binary matrices with n ones, with no zero rows or columns, up to row and column permutation.

Terms

    a(0) =1a(1) =2a(2) =15a(3) =69a(4) =288a(5) =840a(6) =2144a(7) =4488a(8) =8317a(9) =13160a(10) =18636a(11) =23078a(12) =25856a(13) =25623a(14) =23187a(15) =18713a(16) =13932a(17) =9288a(18) =5816a(19) =3256a(20) =1767a(21) =858a(22) =419a(23) =180a(24) =88a(25) =34a(26) =16a(27) =6a(28) =3a(29) =1

External references