Number of 4 X n binary arrays without the pattern 0 1 diagonally, vertically, antidiagonally or horizontally.

A188555

Number of 4 X n binary arrays without the pattern 0 1 diagonally, vertically, antidiagonally or horizontally.

Terms

    a(0) =1a(1) =5a(2) =9a(3) =16a(4) =28a(5) =48a(6) =80a(7) =129a(8) =201a(9) =303a(10) =443a(11) =630a(12) =874a(13) =1186a(14) =1578a(15) =2063a(16) =2655a(17) =3369a(18) =4221a(19) =5228a(20) =6408a(21) =7780a(22) =9364a(23) =11181a(24) =13253a(25) =15603a(26) =18255a(27) =21234a(28) =24566a(29) =28278

External references