A232960 - OEIS

%I #5 Aug 11 2014 22:45:56

%S 1024,50421,5840289,609853251,66226131273,7168373617095,

%T 777971521023633,84438762415260969,9167008080471861213,

%U 995247064980829474743,108055419728642864698437,11731821554897060580948021

%N Number of 6Xn 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, diagonally or antidiagonally, and top left element zero

%C Row 6 of A232955

%H R. H. Hardin, <a href="/A232960/b232960.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A232960/a232960.txt">Empirical recurrence of order 86</a>

%F Empirical recurrence of order 86 (see link above)

%e Some solutions for n=2

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

%e ..0..2....1..0....3..2....0..2....0..0....2..2....2..2....3..1....0..2....2..0

%e ..3..2....2..3....3..2....0..0....0..1....2..3....3..3....1..1....0..2....0..0

%e ..3..2....1..0....2..2....0..0....1..0....1..0....1..1....0..1....0..1....0..1

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

%e ..3..1....3..3....0..2....1..1....2..0....0..2....0..1....0..0....1..1....0..2

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 02 2013