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A295211 Number of nX6 0..1 arrays with each 1 horizontally or vertically adjacent to 2 or 3 1s. 1
1, 31, 345, 4938, 85215, 1245294, 18444470, 278238087, 4170628296, 62588525694, 940255638767, 14117945596996, 211965773459470, 3182555837979301, 47783850148231569, 717445698125438780, 10772054909227440585 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 6 of A295213.
LINKS
EXAMPLE
Some solutions for n=5
..1..1..1..1..1..1. .1..1..1..1..1..1. .0..1..1..1..0..0. .1..1..0..0..0..0
..1..1..1..1..0..1. .1..1..0..0..1..1. .0..1..0..1..1..0. .1..1..0..0..1..1
..1..0..0..1..1..1. .1..1..0..1..1..1. .1..1..1..1..1..1. .0..0..1..1..1..1
..1..1..1..1..1..0. .1..1..0..1..0..0. .1..0..0..0..0..1. .0..0..1..0..0..1
..1..1..0..0..0..0. .0..1..1..1..0..0. .1..1..1..1..1..1. .0..0..1..1..1..1
CROSSREFS
Cf. A295213.
Sequence in context: A296730 A274180 A197644 * A261759 A156150 A125419
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 17 2017
STATUS
approved

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Last modified July 17 22:17 EDT 2024. Contains 374377 sequences. (Running on oeis4.)