|
%I #7 Mar 31 2012 12:37:32
%S 59178,9173091,1323907951,188568419989,26640186018717,
%T 3748133016211929,526005343487519133,73706883182657394867,
%U 10318722914922314099443,1443787914404541881751435,201946673325313730165095787
%N Number of (n+1)X7 0..3 arrays containing all values 0..3 with every 2X2 subblock having two or four distinct values, and new values 0..3 introduced in row major order
%C Column 6 of A210174
%H R. H. Hardin, <a href="/A210172/b210172.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..1..2..1..0..2..3....0..1..0..2..1..2..2....0..0..0..0..1..0..1
%e ..2..3..0..3..2..2..3....3..2..3..1..2..1..1....0..1..0..1..0..0..0
%e ..2..2..1..2..2..3..2....1..0..1..1..1..1..2....1..0..0..0..1..1..1
%e ..1..1..2..1..1..0..1....1..0..0..0..0..1..1....1..0..2..2..3..1..3
%e ..3..3..0..3..1..0..0....2..3..0..3..3..2..2....3..2..0..0..1..3..3
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 18 2012
| 