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A295377 Number of nX6 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 2 or 4 1s. 1
21, 299, 4071, 55643, 761795, 10437240, 142860055, 1956512289, 26790134422, 366852068404, 5023461594972, 68788552129955, 941953214288271, 12898594994181355, 176626393130327608, 2418626153744793468 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A295379.
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..0. .0..0..0..1..0..0. .1..0..0..0..0..0. .0..1..0..1..1..0
..0..0..0..0..0..0. .0..0..0..0..0..0. .0..0..1..0..0..0. .1..0..1..1..1..0
..0..0..1..0..0..1. .1..0..1..0..1..0. .0..0..0..0..0..0. .0..0..1..1..0..0
..0..1..0..0..1..0. .0..1..0..1..0..1. .0..0..0..0..0..0. .0..0..0..0..1..0
CROSSREFS
Cf. A295379.
Sequence in context: A019943 A021634 A295049 * A021604 A025935 A077506
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 21 2017
STATUS
approved

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Last modified February 26 03:53 EST 2024. Contains 370335 sequences. (Running on oeis4.)