Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 1 or 3 1s.
A295096
Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 1 or 3 1s.
Terms
- a(0) =13a(1) =276a(2) =4151a(3) =70982a(4) =1182050a(5) =19730839a(6) =329926211a(7) =5515740725a(8) =92205260806
External references
- oeis: A295096