Number of n X n 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.
A302063
Number of n X n 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =8a(2) =148a(3) =7070a(4) =807601a(5) =230634314a(6) =163660519064
External references
- oeis: A302063