Number of nXn 0..1 arrays with every element unequal to 0, 1, 2, 4, 7 or 8 king-move adjacent elements, with upper left element zero.
A316539
Number of nXn 0..1 arrays with every element unequal to 0, 1, 2, 4, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =4a(2) =26a(3) =136a(4) =4219a(5) =114514a(6) =5074646a(7) =681913008a(8) =140688693646
External references
- oeis: A316539