Number of nX7 0..1 arrays with every element unequal to 0, 1, 2 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A318023
Number of nX7 0..1 arrays with every element unequal to 0, 1, 2 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =64a(1) =700a(2) =4495a(3) =37030a(4) =304184a(5) =2495323a(6) =20241433a(7) =163342483a(8) =1322465254a(9) =10749863872a(10) =87367578925a(11) =711940702703
External references
- oeis: A318023