Number of n X 7 0..1 arrays with the number of 1's horizontally, antidiagonally or vertically adjacent to some 0 one less than the number of 0's adjacent to some 1.

A285029

Number of n X 7 0..1 arrays with the number of 1's horizontally, antidiagonally or vertically adjacent to some 0 one less than the number of 0's adjacent to some 1.

Terms

    a(0) =28a(1) =1578a(2) =256732a(3) =22043878a(4) =3064900470a(5) =305391845288

External references