|
%I #4 Nov 26 2013 18:10:40
%S 18,6232,882,266490,66950,12486510,5045772,589476500,321877590,
%T 27860113632,19476278870,1317233935380,1119177564872,62306560807010,
%U 62309765310546,2948573086902894,3389517867089962,139604376377561036
%N Number of (6+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally, with no adjacent elements equal
%C Row 6 of A232589
%H R. H. Hardin, <a href="/A232595/b232595.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..1..0..1..0....0..1..0..1..2....0..1..2..1..0....0..1..0..1..0
%e ..2..1..2..1..0....2..1..2..1..0....2..1..0..1..2....2..1..2..1..0
%e ..0..1..2..1..0....0..1..2..1..2....2..1..0..1..2....0..1..0..1..0
%e ..0..1..0..1..2....2..1..0..1..0....2..1..0..1..2....2..1..2..1..2
%e ..2..1..2..1..0....2..1..0..1..2....0..1..2..1..0....2..1..0..1..0
%e ..2..1..0..1..0....0..1..0..1..0....0..1..0..1..0....2..1..0..1..2
%e ..2..1..2..1..0....2..1..2..1..0....2..1..2..1..0....2..1..2..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 26 2013
| 