Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 2 or 4 1s.
A295378
Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 2 or 4 1s.
Terms
- a(0) =34a(1) =747a(2) =15557a(3) =325134a(4) =6819658a(5) =142860055a(6) =2995361770a(7) =62765357574
External references
- oeis: A295378