Number of n X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 5 neighboring 1's.
A297589
Number of n X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 5 neighboring 1's.
Terms
- a(0) =1a(1) =5a(2) =25a(3) =154a(4) =3747a(5) =163704a(6) =9403199a(7) =1120526916a(8) =303459238317
External references
- oeis: A297589