Number of nX7 0..1 arrays with every element equal to 0, 1, 2 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

A302622

Number of nX7 0..1 arrays with every element equal to 0, 1, 2 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Terms

    a(0) =64a(1) =361a(2) =286a(3) =1051a(4) =5771a(5) =30536a(6) =159831a(7) =851266a(8) =4471550a(9) =23596546a(10) =124656067a(11) =657560234a(12) =3471424786a(13) =18324471950a(14) =96718090476a(15) =510535952469

External references