A205473 Number of (n+1)X7 0..2 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..2 introduced in row major order.
11143, 405702, 15614579, 637115198, 26272023365, 1094476686239, 45724154665434, 1914758450334723, 80250258826348339, 3365536894872561413, 141181596884768969546, 5923561349136374628421, 248557182283520215199720
Offset: 1
Keywords
Examples
Some solutions for n=4 ..0..0..0..1..2..1..2....0..0..0..0..0..0..0....0..0..0..0..0..0..0 ..1..0..1..1..1..1..1....0..1..1..0..1..1..0....0..1..0..1..0..2..2 ..1..0..1..2..1..0..1....0..0..0..0..0..0..0....0..1..0..0..0..2..0 ..0..0..1..1..1..0..1....1..0..1..0..1..1..0....0..1..0..1..0..2..2 ..1..1..1..2..1..0..0....0..0..0..0..0..0..0....1..1..1..1..0..2..0
Links
- R. H. Hardin, Table of n, a(n) for n = 1..178
Comments