Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 2 neighboring 1s.
A297505
Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 2 neighboring 1s.
Terms
- a(0) =37a(1) =2097a(2) =34757a(3) =1247716a(4) =35049871a(5) =978288822a(6) =28914051279a(7) =823340493402
External references
- oeis: A297505