Number of n X 7 0..1 arrays with every element unequal to 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A317895
Number of n X 7 0..1 arrays with every element unequal to 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =45a(2) =1074a(3) =25169a(4) =741031a(5) =20734591a(6) =580702029a(7) =16327953218a(8) =458323749120
External references
- oeis: A317895