cp's OEIS Frontend

A230173 Number of nX5 0..2 arrays x(i,j) with each element horizontally, vertically, diagonally or antidiagonally next to at least one element with value 2-x(i,j).

%I A230173 #6 Jun 02 2025 08:41:33
%S A230173 15,10211,1637019,284444079,49754476927,8666440899433,
%T A230173 1514677019365483,264644708761844781,46219801332800121297,
%U A230173 8072805292655435557305,1410066823439995419927677,246292114172239867332919195
%N A230173 Number of nX5 0..2 arrays x(i,j) with each element horizontally, vertically, diagonally or antidiagonally next to at least one element with value 2-x(i,j).
%C A230173 Column 5 of A230176
%H A230173 R. H. Hardin, <a href="/A230173/b230173.txt">Table of n, a(n) for n = 1..210</a>
%e A230173 Some solutions for n=3
%e A230173 ..0..0..0..0..1....0..0..1..1..0....0..0..1..1..1....0..0..1..2..2
%e A230173 ..2..2..2..2..1....1..2..0..0..2....0..2..1..0..2....2..1..1..0..0
%e A230173 ..0..0..0..0..0....1..0..1..1..2....2..2..2..0..0....0..1..1..2..0
%K A230173 nonn
%O A230173 1,1
%A A230173 _R. H. Hardin_, Oct 11 2013