A231744 - OEIS

%I #9 Mar 08 2025 02:00:21

%S 144,6064,784076,71742015,6425495277,598711367728,56006640316980,

%T 5220406326242670,486885544941495652,45439583623043602188,

%U 4239994977410757148897,395581225544558104634606,36907440894481310915676768,3443519378497211484011972191,321285969990496676187195798327

%N Number of n X 5 0..3 arrays with no element less than a strict majority of its horizontal and vertical neighbors.

%H R. H. Hardin, <a href="/A231744/b231744.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2:

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

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

%Y Column 5 of A231746.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 13 2013