Number of nXn 0..1 arrays with every element unequal to 0, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A318418
Number of nXn 0..1 arrays with every element unequal to 0, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =18a(4) =129a(5) =783a(6) =11802a(7) =236755a(8) =5897333a(9) =182618347a(10) =7672658026a(11) =436957466532
External references
- oeis: A318418