Number of n X 7 0..1 arrays with every element equal to 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302223
Number of n X 7 0..1 arrays with every element equal to 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =1934a(2) =15569a(3) =251254a(4) =3018243a(5) =42508145a(6) =553097760a(7) =7403262824a(8) =97939043966
External references
- oeis: A302223