A267962 - OEIS

%I #4 Jan 22 2016 14:28:29

%S 24,576,9750,157182,2253828,30649446,392792334,4834114074,57285557832,

%T 658558589712,7367813384346,80528684687118,861990117512832,

%U 9057816965527086,93605798560795056,952894000040209068

%N Number of nX3 0..2 arrays with every repeated value in every row and column greater than the previous repeated value.

%C Column 3 of A267966.

%H R. H. Hardin, <a href="/A267962/b267962.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A267962/a267962.txt">Empirical recurrence of order 60</a>

%F Empirical recurrence of order 60 (see link above)

%e Some solutions for n=4

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

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

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

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

%Y Cf. A267966.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 22 2016