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 A277769 Number of 4Xn 0..2 arrays with every element equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0) both plus 1 mod 3 and minus 1 mod 3, with new values introduced in order 0..2. 1

%I

%S 0,14,330,9741,275018,7824415,221983169,6298326387,178728649865,

%T 5071423132367,143902812077769,4083281399156407,115864087742823865,

%U 3287671351656190808,93288470977649320614,2647082885606708742103

%N Number of 4Xn 0..2 arrays with every element equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0) both plus 1 mod 3 and minus 1 mod 3, with new values introduced in order 0..2.

%C Row 4 of A277767.

%H R. H. Hardin, <a href="/A277769/b277769.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A277769/a277769.txt">Empirical recurrence of order 98</a>

%F Empirical recurrence of order 98 (see link above)

%e Some solutions for n=4

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

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

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

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

%Y Cf. A277767.

%K nonn

%O 1,2

%A _R. H. Hardin_, Oct 29 2016

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Last modified July 1 04:13 EDT 2022. Contains 354951 sequences. (Running on oeis4.)