A231650 Number of nX7 0..2 arrays with no element less than a strict majority of its horizontal and vertical neighbors.
292, 13560, 3929027, 765163605, 161357952814, 35384751611050, 7673178325424236, 1659606986967401246, 359651366294031374125, 77952234653703371179457, 16890753872192197103219139
Offset: 1
Keywords
Examples
Some solutions for n=3 ..0..0..2..2..2..2..2....0..0..2..2..0..0..0....0..0..0..0..2..2..1 ..0..0..1..1..0..0..2....0..0..2..2..0..1..2....0..0..0..0..0..0..1 ..0..0..0..0..0..0..2....0..0..0..0..0..1..1....0..1..0..0..0..0..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..161
Comments