A223101 - OEIS

A223101

Number of nX5 0..2 arrays with exactly floor(nX5/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order

%I #4 Mar 14 2013 17:12:10

%S 16,1456,198848,40395409,5423134897,1153663937586,158311829556848,

%T 34620760131094199,4810650239767909892,1069281568428770152650,

%U 149778510419948499933482,33650531153990316280732410

%N Number of nX5 0..2 arrays with exactly floor(nX5/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order

%C Column 5 of A223104

%H R. H. Hardin, <a href="/A223101/b223101.txt">Table of n, a(n) for n = 1..120</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 14 2013