# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a186937 Showing 1-1 of 1 %I A186937 #5 Mar 31 2012 12:36:06 %S A186937 2688,108128,1152312,16124472,199197496,2731872328,35582947920, %T A186937 475637108896,6259259510232,83202139545720,1098854338919104, %U A186937 14592496893162664,192979665562053704,2559688265009129904 %N A186937 Number of (n+1)X8 binary arrays with every 2X2 subblock trace equal to exactly one or two horizontal and vertical neighbor 2X2 subblock traces %C A186937 Column 7 of A186939 %H A186937 R. H. Hardin, Table of n, a(n) for n = 1..94 %e A186937 Some solutions for 4X8 %e A186937 ..0..0..1..1..1..0..1..0....1..1..1..1..1..1..0..1....0..0..1..0..1..1..0..1 %e A186937 ..0..1..1..1..0..0..1..1....0..1..1..1..1..0..0..0....0..0..1..0..0..1..1..1 %e A186937 ..0..0..0..1..0..0..1..1....0..0..0..0..1..1..0..0....0..0..1..1..0..0..1..0 %e A186937 ..0..0..0..0..0..0..1..0....0..0..0..0..0..1..0..1....1..0..0..1..1..0..1..0 %K A186937 nonn %O A186937 1,1 %A A186937 _R. H. Hardin_ Mar 01 2011 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE