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A277771
Number of 6Xn 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
0, 284, 46289, 8971150, 1762881313, 343944986355, 67079817376928, 13082674671680942, 2551870774231153918, 497725696443014836641, 97078962056423037413261, 18934823123149797267341357
OFFSET
1,2
COMMENTS
Row 6 of A277767.
LINKS
EXAMPLE
Some solutions for n=3
..0..1..2. .0..1..2. .0..1..2. .0..1..2. .0..1..2. .0..1..2. .0..1..2
..2..2..0. .2..0..0. .2..1..0. .2..0..0. .2..1..0. .2..2..0. .2..2..0
..1..1..2. .2..1..2. .0..0..2. .1..1..2. .1..0..1. .0..1..2. .2..1..2
..0..1..0. .0..1..0. .2..1..2. .1..0..2. .1..2..2. .0..2..2. .0..2..1
..2..0..1. .1..0..2. .0..2..0. .2..1..0. .0..1..2. .2..1..0. .2..1..0
..1..2..2. .2..2..1. .0..1..0. .1..0..2. .2..2..0. .0..2..1. .0..1..2
CROSSREFS
Cf. A277767.
Sequence in context: A280808 A285892 A049024 * A093228 A339681 A249954
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 29 2016
STATUS
approved