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A269141
Number of nX6 0..3 arrays with some element plus some horizontally, antidiagonally or vertically adjacent neighbor totalling three no more than once.
1
2592, 408596, 54199284, 6766301156, 815458664276, 95884587957284, 11067174233536260, 1259009098075800036, 141573069581490127524, 15769412440038867100180, 1742724618979587037657388
OFFSET
1,1
COMMENTS
Column 6 of A269143.
LINKS
EXAMPLE
Some solutions for n=2
..2..0..2..3..2..2. .0..2..3..1..0..0. .0..2..0..1..3..3. .1..1..1..1..1..1
..0..1..3..3..2..3. .0..2..1..1..0..0. .0..2..1..3..3..1. .0..1..3..3..1..3
CROSSREFS
Cf. A269143.
Sequence in context: A360841 A269192 A033695 * A269199 A269107 A035773
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 20 2016
STATUS
approved