Number of n X n 0..1 arrays with every element equal to 0, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300373
Number of n X n 0..1 arrays with every element equal to 0, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =3a(2) =4a(3) =26a(4) =389a(5) =8839a(6) =481311a(7) =47968011a(8) =9905247305
External references
- oeis: A300373