login
Number of 5 X n 0..2 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value 2-x(i,j).
1

%I #6 Jun 18 2022 17:26:15

%S 0,2247,251595,28368687,4022141121,559929294657,77282148036051,

%T 10681855554910983,1476794401334027865,204155617303878631797,

%U 28222820785777362856803,3901584177313433415004191

%N Number of 5 X n 0..2 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value 2-x(i,j).

%C Row 5 of A230675.

%H R. H. Hardin, <a href="/A230679/b230679.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

%e ..0..2..1....1..0..2....0..2..0....1..0..1....1..0..1....0..0..2....0..1..1

%e ..1..1..0....1..1..2....0..2..0....1..1..2....2..1..2....0..2..0....1..2..2

%e ..0..0..0....2..2..2....1..1..2....2..0..1....0..1..0....2..0..2....2..0..2

%e ..2..2..2....0..0..1....2..0..2....2..0..2....0..2..1....0..2..0....0..1..2

%e ..0..1..1....1..1..2....2..2..0....0..2..0....0..0..2....1..1..0....1..2..0

%Y Cf. A230675.

%K nonn

%O 1,2

%A _R. H. Hardin_, Oct 27 2013