Number of inequivalent binary [ n,3 ] codes of dimension <= 3 without zero columns.

Terms

a(0) =1a(1) =2a(2) =4a(3) =7a(4) =11a(5) =19a(6) =29a(7) =44a(8) =66a(9) =96a(10) =136a(11) =193a(12) =265a(13) =361a(14) =485a(15) =643a(16) =841a(17) =1093a(18) =1401a(19) =1782a(20) =2248a(21) =2811a(22) =3487a(23) =4301a(24) =5263a(25) =6403a(26) =7745a(27) =9315a(28) =11141a(29) =13266