A202471 T(n,k) = Number of (n+2) X (k+2) binary arrays with no more than two of any consecutive three bits set in any row or column.
265, 1573, 1573, 9253, 16561, 9253, 54085, 172197, 172197, 54085, 317179, 1774281, 3157010, 1774281, 317179, 1858993, 18374521, 57262144, 57262144, 18374521, 1858993, 10894297, 190112777, 1044865367, 1828904402, 1044865367, 190112777, 10894297
Offset: 1
Examples
Table starts ......265........1573..........9253............54085.............317179 .....1573.......16561........172197..........1774281...........18374521 .....9253......172197.......3157010.........57262144.........1044865367 ....54085.....1774281......57262144.......1828904402........58746383721 ...317179....18374521....1044865367......58746383721......3323590649777 ..1858993...190112777...19045287529....1885066867201....187820723381421 .10894297..1966463785..347030298362...60472625443366..10610932604054547 .63850777.20345296193.6325139804762.1940390570621922.599616560193259281 ... Some solutions for n=1, k=3 ..0..1..1..0..1....0..1..0..1..0....0..0..0..0..0....1..1..0..1..0 ..0..0..1..0..0....1..0..0..0..1....1..0..0..1..0....1..1..0..0..0 ..0..0..0..0..1....1..1..0..1..0....0..1..0..0..0....0..0..0..0..1
Links
- Liang Kai, Table of n, a(n) for n = 1..465 (first 241 terms from R. H. Hardin)