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A276246
Number of nX6 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,1) or (0,-2) and new values introduced in order 0..2.
1
24, 648, 2837, 26325, 234431, 2069454, 18671229, 167951009, 1509288801, 13609728840, 122702955310, 1106289221616, 9981742768716, 90071571350633, 812807513045538, 7336233541686365, 66219228884217858, 597727899610563029
OFFSET
1,1
COMMENTS
Column 6 of A276248.
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1..0..0..2. .0..1..1..0..2..1. .0..1..1..2..0..1. .0..0..1..2..2..1
..0..0..2..1..1..0. .0..0..2..1..0..0. .2..0..0..1..2..0. .1..2..0..0..2..2
..1..1..0..0..2..2. .1..1..0..2..2..1. .2..2..0..0..1..1. .0..2..1..0..0..1
..2..2..1..1..0..0. .2..1..1..0..2..1. .0..1..1..2..2..1. .0..0..1..1..2..0
CROSSREFS
Cf. A276248.
Sequence in context: A118051 A208441 A231449 * A274957 A288816 A268473
KEYWORD
nonn
AUTHOR
R. H. Hardin, Aug 25 2016
STATUS
approved