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A300370 Number of nX6 0..1 arrays with every element equal to 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
0, 2, 8, 22, 92, 366, 1592, 6925, 36101, 161645, 762469, 3571297, 16723114, 78166439, 365870424, 1715599255, 8028145462, 37613414368, 176081584796, 824491774631, 3861712572473, 18083391708768, 84680125527458, 396550577930555 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 6 of A300372.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..1..1. .0..0..1..0..0..1. .0..0..1..1..0..0. .0..0..1..1..1..1
..0..1..1..0..1..1. .0..1..1..0..1..1. .0..1..1..0..1..0. .0..0..1..0..0..1
..0..1..1..0..0..1. .1..0..0..1..0..1. .0..0..0..1..1..0. .1..1..0..1..0..1
..0..0..1..0..1..0. .1..0..1..0..0..1. .1..1..0..0..0..1. .1..0..1..1..0..1
..0..0..1..1..0..0. .1..1..1..0..1..1. .1..1..1..1..1..1. .0..0..0..0..1..1
CROSSREFS
Cf. A300372.
Sequence in context: A072929 A328140 A053958 * A191643 A151356 A238530
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 04 2018
STATUS
approved

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)