A231381 Number of nX7 0..1 arrays with no element less than a strict majority of its horizontal and vertical neighbors.
37, 601, 24747, 830890, 30936914, 1157805351, 42978519280, 1597438228604, 59402875813957, 2208383979206654, 82098126041989007, 3052145959217113535, 113469026790211137424, 4218406116270705640956, 156826531286247105951370
Offset: 1
Keywords
Examples
Some solutions for n=3 ..0..1..1..1..0..0..0....1..1..0..0..0..1..1....1..0..0..1..1..0..0 ..0..1..0..0..0..1..0....1..0..0..0..0..1..1....1..0..0..1..0..0..0 ..0..0..0..1..1..1..0....0..0..1..1..1..1..1....0..0..1..1..0..0..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..210
Comments