Number of 3 X n binary arrays without the pattern 0 1 diagonally, vertically, antidiagonally or horizontally.

A188554

Number of 3 X n binary arrays without the pattern 0 1 diagonally, vertically, antidiagonally or horizontally.

Terms

    a(0) =1a(1) =4a(2) =7a(3) =12a(4) =20a(5) =32a(6) =49a(7) =72a(8) =102a(9) =140a(10) =187a(11) =244a(12) =312a(13) =392a(14) =485a(15) =592a(16) =714a(17) =852a(18) =1007a(19) =1180a(20) =1372a(21) =1584a(22) =1817a(23) =2072a(24) =2350a(25) =2652a(26) =2979a(27) =3332a(28) =3712a(29) =4120

External references