Number of n X n 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 neighboring 1.
A296314
Number of n X n 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 neighboring 1.
Terms
- a(0) =1a(1) =6a(2) =32a(3) =434a(4) =12547a(5) =676269a(6) =78105580a(7) =18043360170
External references
- oeis: A296314