|
%I #7 Dec 13 2015 21:17:47
%S 160218,1242930,11368056,97476666,968502540,9838056114,108434010612,
%T 1216758803376,14276840963340,169607787123510,2060425946665152,
%U 25191450280358046,311526062730648630,3864886491109553556
%N Number of (n+1) X 7 0..2 arrays with no 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors or the same number of counterclockwise edge increases as its vertical neighbors.
%C Column 6 of A206676.
%H R. H. Hardin, <a href="/A206674/b206674.txt">Table of n, a(n) for n = 1..78</a>
%e Some solutions for n=4:
%e ..0..1..0..0..0..2..1....0..0..0..2..0..2..2....2..2..2..2..1..0..2
%e ..0..0..1..2..1..1..0....0..2..1..1..2..2..2....0..1..0..0..2..2..0
%e ..0..0..1..0..1..1..1....2..0..0..2..2..2..0....2..2..0..0..2..2..0
%e ..0..1..2..0..2..1..1....2..2..1..2..2..0..1....2..2..1..1..0..0..1
%e ..1..2..2..1..1..2..0....2..2..0..0..0..1..1....1..0..1..1..0..0..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 11 2012
| 