Number of 5 x n binary matrices with 2 unit columns up to row and column permutations.

A057971

Number of 5 x n binary matrices with 2 unit columns up to row and column permutations.

Terms

    a(0) =2a(1) =18a(2) =133a(3) =873a(4) =5182a(5) =27786a(6) =135370a(7) =602454a(8) =2466628a(9) =9358497a(10) =33134431a(11) =110184932a(12) =346141949a(13) =1032550097a(14) =2938104492a(15) =8006865684a(16) =20971632456a(17) =52958252851a(18) =129291697111a(19) =305924724070a(20) =703108665327

External references