Number of nXn 0..1 arrays with every element unequal to 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A317865
Number of nXn 0..1 arrays with every element unequal to 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =26a(4) =220a(5) =4692a(6) =163297a(7) =13125877a(8) =1146051177a(9) =213068838812
External references
- oeis: A317865