Number of equivalence classes of 4 X n binary matrices when one can permute rows, permute columns and complement columns.
A006380
Number of equivalence classes of 4 X n binary matrices when one can permute rows, permute columns and complement columns.
Terms
- a(0) =1a(1) =3a(2) =8a(3) =19a(4) =41a(5) =81a(6) =153a(7) =273a(8) =468a(9) =774a(10) =1240a(11) =1930a(12) =2933a(13) =4356a(14) =6341a(15) =9064a(16) =12743a(17) =17643a(18) =24093a(19) =32479a(20) =43270a(21) =57019a(22) =74377a(23) =96103a(24) =123089a(25) =156354a(26) =197081a(27) =246622a(28) =306519a(29) =378520
External references
- oeis: A006380