_R. H. Hardin (rhhardin(AT)att.net) _ Oct 06 2011
_R. H. Hardin (rhhardin(AT)att.net) _ Oct 06 2011
editing
approved
R. H. Hardin, <a href="/A196744/b196744.txt">Table of n, a(n) for n = 1..200</a>
allocated Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,3,1,0,4 for Ron Hardinx=0,1,2,3,4
1, 41, 1144, 19567, 400368, 7942712, 158910093, 3154873061, 62983652064, 1254587192478, 24999683657717, 498208235612370, 9928170924108502, 197840444358226725, 3942513809137853076, 78564804146413114965
1,2
Every 0 is next to 0 2's, every 1 is next to 1 3's, every 2 is next to 2 1's, every 3 is next to 3 0's, every 4 is next to 4 4's
Column 6 of A196746
Some solutions for n=4
..0..3..0..3..0..0....0..3..0..0..0..0....0..1..0..0..3..0....0..3..0..0..0..0
..3..0..0..0..0..0....3..0..3..0..3..0....0..3..0..3..0..0....3..0..1..1..3..0
..0..0..0..0..3..0....0..0..1..0..1..0....0..0..0..1..0..0....0..0..3..0..0..0
..0..0..3..0..1..0....0..0..0..3..0..0....0..0..0..0..3..0....0..0..0..0..0..0
allocated
nonn
R. H. Hardin (rhhardin(AT)att.net) Oct 06 2011
approved
editing
allocated for Ron Hardin
allocated
approved