Number of n X n 0..1 arrays with every element unequal to 0, 1, 2, 4 or 8 king-move adjacent elements, with upper left element zero.
A305239
Number of n X n 0..1 arrays with every element unequal to 0, 1, 2, 4 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =4a(2) =18a(3) =94a(4) =1134a(5) =12521a(6) =311014a(7) =12726939a(8) =841464188a(9) =99227326734
External references
- oeis: A305239