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A301351
Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1
3, 96, 1433, 19561, 264054, 3579171, 48476633, 656551657, 8891966361, 120429031036, 1631040103974, 22090169338503, 299180596463572, 4051984713535809, 54878491967075845, 743252774514565327
OFFSET
1,1
COMMENTS
Column 5 of A301354.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..1..1. .0..0..0..0..1. .0..0..0..0..0. .0..0..0..0..0
..1..1..1..1..0. .1..0..1..0..1. .0..1..1..1..0. .0..1..1..0..1
..1..0..0..0..1. .1..0..1..0..1. .1..0..0..1..0. .1..1..1..0..1
..1..0..1..1..1. .0..0..0..1..0. .1..0..0..1..1. .1..0..0..1..0
..1..1..0..0..1. .1..1..1..1..0. .1..1..1..0..0. .1..0..1..1..0
CROSSREFS
Cf. A301354.
Sequence in context: A300424 A300686 A300609 * A268012 A268181 A030262
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 19 2018
STATUS
approved