|
%I #4 Jan 22 2016 07:57:15
%S 4,96,2304,43972,754852,12017350,181535822,2638824216,37263580006,
%T 514648921140,6985835894832,93540620739538,1238999184320608,
%U 16269402566811754,212148448282604414,2750808905345217294
%N Number of nX3 0..2 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order.
%C Column 3 of A267911.
%H R. H. Hardin, <a href="/A267907/b267907.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A267907/a267907.txt">Empirical recurrence of order 54</a>
%F Empirical recurrence of order 54 (see link above)
%e Some solutions for n=4
%e ..0..1..1....0..0..1....0..1..2....0..1..1....0..0..1....0..1..2....0..1..2
%e ..2..2..1....2..1..1....2..1..2....1..0..0....0..0..1....1..0..0....0..1..1
%e ..1..0..2....2..1..0....1..0..2....2..0..1....0..1..1....1..2..0....0..0..2
%e ..2..0..1....0..2..1....2..1..0....0..0..2....0..0..2....2..1..0....0..2..2
%Y Cf. A267911.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 22 2016
| 