Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #7 Apr 23 2021 11:20:04
%S 8,83,457,4344,40221,374645,3307716,28430880,248312071,2192473876,
%T 19348789798,170510755795,1500864452926,13204967160428,
%U 116225998484492,1023302267971920,9009586965300230,79318454402499047,698273303070427478
%N Number of n X 5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,2,1,4 for x=0,1,2,3,4.
%C Every 0 is next to 0 3's, every 1 is next to 1 0's, every 2 is next to 2 2's, every 3 is next to 3 1's, every 4 is next to 4 4's
%C Column 5 of A196485.
%H R. H. Hardin, <a href="/A196482/b196482.txt">Table of n, a(n) for n = 1..200</a>
%e Some solutions for n=4
%e ..0..2..2..1..0....0..0..2..2..0....2..2..0..0..0....0..2..2..2..2
%e ..0..2..2..1..0....0..0..2..2..0....2..2..0..2..2....1..2..0..1..2
%e ..1..1..1..2..2....2..2..1..1..1....1..3..1..2..2....1..2..0..2..2
%e ..1..0..0..2..2....2..2..0..0..1....0..1..1..0..1....0..2..2..2..0
%Y Cf. A196485.
%K nonn
%O 1,1
%A _R. H. Hardin_ Oct 03 2011