A204976 Number of nX6 0..2 arrays with no occurrence of three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..2 introduced in row major order.
82, 40344, 3074889, 311275169, 30057359681, 2924321664147, 284567725886961, 27695578120521405, 2695539138454039643, 262351473887992967184, 25534043844803329717305, 2485171474074376861287947
Offset: 1
Keywords
Examples
Some solutions for n=5 ..0..1..2..1..0..2....0..0..1..0..1..0....0..0..1..2..2..0....0..1..0..2..1..2 ..2..0..0..2..1..0....0..0..2..1..0..0....0..0..2..1..2..0....2..0..2..2..1..0 ..1..2..1..2..0..2....1..1..2..1..2..2....1..1..2..2..0..1....2..1..1..0..2..1 ..2..2..0..1..2..0....2..0..0..2..0..0....1..2..1..2..1..2....0..1..0..2..0..0 ..2..1..0..0..2..0....1..1..0..2..1..0....0..1..2..0..1..2....2..2..0..2..0..2
Links
- R. H. Hardin, Table of n, a(n) for n = 1..53
Comments