The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #5 Mar 31 2012 12:36:04
%S 106519232,304295071104,901434253841216,2660771010874885728,
%T 7860583219546798541024,23221991267256751327588320,
%U 68603053673782945157839799264,202669623828919364821359439182528
%N Number of (n+1)X7 0..3 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace
%C Column 6 of A185933
%H R. H. Hardin, <a href="/A185930/b185930.txt">Table of n, a(n) for n = 1..25</a>
%e Some solutions for 3X7
%e ..2..0..2..0..0..2..0....2..0..2..2..1..3..0....2..0..2..3..0..1..0
%e ..0..0..0..0..3..0..1....0..0..0..0..2..1..2....0..0..0..0..3..1..1
%e ..0..0..2..0..1..2..0....0..0..2..0..3..3..1....0..0..2..0..2..1..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 06 2011