Number of nX4 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 3 neighboring 1s.
A297650
Number of nX4 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 3 neighboring 1s.
Terms
- a(0) =7a(1) =140a(2) =1073a(3) =11024a(4) =113252a(5) =1105531a(6) =11089103a(7) =110654243a(8) =1101808354a(9) =10993719747a(10) =109616866972
External references
- oeis: A297650