Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A301449
Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =64a(1) =5536a(2) =206266a(3) =8414314a(4) =346263718a(5) =14319674594a(6) =592006690060
External references
- oeis: A301449