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

A285752

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

Terms

    a(0) =0a(1) =14a(2) =105a(3) =630a(4) =4850a(5) =31276a(6) =250592a(7) =1727836a(8) =13831303a(9) =99330350a(10) =789537708a(11) =5828000730a(12) =46064702150a(13) =346391183886

External references