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A296403
Number of nX6 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 2 or 3 neighboring 1s.
1
1, 114, 1182, 17783, 368770, 6200926, 107541673, 1896487480, 33169242951, 581034735208, 10175550661927, 178195092238296, 3120979490569285, 54657658052862375, 957239287898636263, 16764522337353504432
OFFSET
1,2
COMMENTS
Column 6 of A296405.
LINKS
EXAMPLE
Some solutions for n=4
..1..1..1..0..0..1. .1..1..0..1..1..0. .1..1..1..1..1..0. .0..0..1..1..1..1
..1..0..1..1..1..1. .1..1..0..1..1..0. .1..0..0..1..1..0. .1..1..0..1..0..1
..0..0..1..0..0..1. .0..0..0..0..1..1. .0..1..0..0..1..1. .1..0..1..0..0..1
..0..0..1..1..1..0. .0..0..0..0..1..1. .1..1..0..0..1..0. .0..1..1..1..1..1
CROSSREFS
Cf. A296405.
Sequence in context: A251452 A239570 A002952 * A262416 A108344 A200551
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 11 2017
STATUS
approved