%I #4 Nov 08 2016 12:34:11
%S 0,1230,121826,14786448,1772657688,212235186204,25411730935962,
%T 3042585288805250,364290594311156506,43616685036230806738,
%U 5222245347063515784452,625261742374783468880692
%N Number of 5Xn 0..2 arrays with every element plus 1 mod 3 equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.
%C Row 5 of A278014.
%H R. H. Hardin, <a href="/A278018/b278018.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..0..1..0. .0..1..2. .0..1..2. .0..1..2. .0..2..1. .0..1..2. .0..0..2
%e ..0..2..1. .0..0..0. .0..2..0. .1..2..0. .1..0..2. .0..0..0. .1..1..0
%e ..2..1..0. .1..2..1. .2..1..2. .0..0..1. .2..2..2. .0..1..0. .2..0..0
%e ..1..2..0. .0..1..0. .2..0..0. .1..2..1. .2..1..0. .2..2..1. .0..1..0
%e ..1..2..2. .0..1..2. .2..1..0. .0..1..1. .0..2..2. .0..1..1. .2..0..0
%Y Cf. A278014.
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 08 2016
|