Number of nXn 0..1 arrays with every element unequal to 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A317897
Number of nXn 0..1 arrays with every element unequal to 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =13a(4) =29a(5) =167a(6) =3630a(7) =38448a(8) =534829a(9) =6617410a(10) =140471071a(11) =2629043923a(12) =75055126813
External references
- oeis: A317897