Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302959
Number of n X n 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =8a(2) =154a(3) =6206a(4) =493132a(5) =83644490a(6) =28906043997
External references
- oeis: A302959