Number of nX7 0..1 arrays with every element equal to 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

A302527

Number of nX7 0..1 arrays with every element equal to 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Terms

    a(0) =8a(1) =98a(2) =730a(3) =5942a(4) =128242a(5) =1275348a(6) =16130212a(7) =303355178a(8) =3654880956a(9) =51530586242a(10) =829503866128

External references