Number of nX4 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
A317521
Number of nX4 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =128a(2) =1921a(3) =28760a(4) =431529a(5) =6475106a(6) =97158833a(7) =1457871738a(8) =21875422403a(9) =328241570548
External references
- oeis: A317521