Number of n X n 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300606
Number of n X n 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =3a(2) =53a(3) =2347a(4) =263468a(5) =77669371a(6) =59556673490
External references
- oeis: A300606