A209462 - OEIS

%I #7 Mar 31 2012 12:37:28

%S 52,10676,7487423,8012278798,9920302864598,12804264249973850,

%T 16716447554895729642,21891626720034635715808,

%U 28693157762856925081512056,37616484231411781150938946180,49317969569601496772488372952619

%N Number of nX5 0..6 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..6 introduced in row major order

%C Column 5 of A209465

%H R. H. Hardin, <a href="/A209462/b209462.txt">Table of n, a(n) for n = 1..210</a>

%e Some.solutions.for.n=4

%e ..0..0..0..0..0....0..0..1..2..2....0..0..0..0..0....0..0..0..0..0

%e ..1..2..1..2..3....1..2..0..0..1....1..2..1..2..1....1..2..3..1..2

%e ..0..0..0..0..0....0..0..1..2..0....0..0..0..2..0....1..0..0..0..0

%e ..2..1..2..1..2....3..1..2..4..0....1..2..1..1..0....1..2..1..2..3

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 09 2012