# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/

Search: id:a222998
Showing 1-1 of 1

%I A222998 #4 Mar 11 2013 10:01:43
%S A222998 10,272,11114,486262,21692365,982879508,45079248621,2086133257739,
%T A222998 97208417340361,4554539931346382,214352375573013156,
%U A222998 10125794195099126318,479840435995427044060,22800045065517001638699,1085898615393818008179596
%N A222998 Number of nX4 0..2 arrays with no more than floor(nX4/2) elements equal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order
%C A222998 Column 4 of A223000
%H A222998 R. H. Hardin, <a href="/A222998/b222998.txt">Table of n, a(n) for n = 1..58</a>
%e A222998 Some solutions for n=3
%e A222998 ..0..1..1..0....0..1..2..0....0..1..2..1....0..1..0..2....0..1..0..2
%e A222998 ..1..2..1..1....2..0..2..1....2..1..0..1....0..1..2..0....2..0..1..0
%e A222998 ..0..2..0..1....1..2..2..1....2..0..0..0....0..1..2..2....2..0..1..2
%K A222998 nonn
%O A222998 1,1
%A A222998 _R. H. Hardin_ Mar 11 2013

# Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE