Number of n X 6 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 1 and 1 1 1 vertically.

Terms

a(0) =26a(1) =676a(2) =156a(3) =260a(4) =416a(5) =676a(6) =1092a(7) =1768a(8) =2860a(9) =4628a(10) =7488a(11) =12116a(12) =19604a(13) =31720a(14) =51324a(15) =83044a(16) =134368a(17) =217412a(18) =351780a(19) =569192a(20) =920972a(21) =1490164a(22) =2411136a(23) =3901300a(24) =6312436a(25) =10213736a(26) =16526172a(27) =26739908a(28) =43266080a(29) =70005988