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A277943 Number of nX6 0..2 arrays with every element plus 1 mod 3 equal to some element at offset (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero. 1

%I

%S 0,1932,410047,103960169,25229090418,6148196379968,1496942405776739,

%T 364495804481147439,88750646285150436813,21609806138412948338367,

%U 5261747594998909650325381,1281177047045409510827679072

%N Number of nX6 0..2 arrays with every element plus 1 mod 3 equal to some element at offset (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.

%C Column 6 of A277945.

%H R. H. Hardin, <a href="/A277943/b277943.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

%Y Cf. A277945.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 05 2016

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Last modified January 26 23:54 EST 2022. Contains 350601 sequences. (Running on oeis4.)