Number of 3 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.

A285154

Number of 3 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.

Terms

    a(0) =0a(1) =12a(2) =113a(3) =820a(4) =5773a(5) =41620a(6) =305641a(7) =2274080a(8) =17114289a(9) =129576988a(10) =987231526a(11) =7551235806a(12) =57992581744a(13) =446683948074

External references