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A267907 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. 1

%I

%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

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Last modified January 28 17:08 EST 2023. Contains 359895 sequences. (Running on oeis4.)