Number of nXn 0..1 arrays with every element unequal to 1, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
A306137
Number of nXn 0..1 arrays with every element unequal to 1, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =7a(2) =90a(3) =4691a(4) =601535a(5) =173607551a(6) =138192505287
External references
- oeis: A306137