Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 neighboring 1.
A297394
Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 neighboring 1.
Terms
- a(0) =13a(1) =121a(2) =763a(3) =7779a(4) =58901a(5) =514945a(6) =4279111a(7) =35870939a(8) =302197213a(9) =2529537475a(10) =21265881307a(11) =178394566329
External references
- oeis: A297394