Number of nX4 0..1 arrays avoiding 0 1 0 horizontally and 1 0 0 vertically.

A206885

Number of nX4 0..1 arrays avoiding 0 1 0 horizontally and 1 0 0 vertically.

Terms

    a(0) =12a(1) =144a(2) =1103a(3) =7878a(4) =51800a(5) =330951a(6) =2070564a(7) =12830802a(8) =79045687a(9) =485544940a(10) =2977554668a(11) =18243896709a(12) =111730524932a(13) =684100356564

External references