# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a183592 Showing 1-1 of 1 %I A183592 #6 Oct 01 2021 17:12:39 %S A183592 3875968,6471298096,10588548225946,17377952662176322, %T A183592 28508855963437333072,46772256761288023913418 %N A183592 1/24 of the number of (n+1) X 8 0..3 arrays with every 2 X 2 subblock containing exactly three distinct values. %C A183592 Column 7 of A183594. %e A183592 Some solutions with a(1,1) = 0 for 3 X 8 %e A183592 ..0..0..0..0..2..3..3..0....0..0..0..0..2..2..1..3....0..0..0..0..0..3..3..0 %e A183592 ..2..1..2..1..0..2..1..0....2..1..2..1..1..3..1..2....2..1..2..1..2..0..1..1 %e A183592 ..0..0..0..0..2..1..0..3....0..0..0..0..2..1..2..0....0..0..0..0..1..2..0..2 %Y A183592 Cf. A183594. %K A183592 nonn %O A183592 1,1 %A A183592 _R. H. Hardin_ Jan 05 2011 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE