Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A320401
Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =64a(1) =4105a(2) =94842a(3) =2908839a(4) =83509525a(5) =2392115850a(6) =69104597430
External references
- oeis: A320401