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A300544 Number of nX6 0..1 arrays with every element equal to 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
5, 450, 18365, 724165, 29114990, 1170734982, 47042626155, 1890308500802, 75958861124241, 3052275114812686, 122650349309393222, 4928490505750268888, 198042801955605338784, 7958004855043245830095, 319778556203277719530004 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A300546.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..1..0..0. .0..0..1..0..1..1. .0..0..1..0..0..1. .0..0..1..1..1..1
..0..0..1..0..1..0. .0..0..1..0..0..0. .0..0..1..1..1..1. .0..0..1..0..0..1
..0..0..1..0..1..1. .0..0..1..0..0..0. .0..0..1..0..0..1. .0..0..1..1..0..1
..0..0..1..1..0..0. .0..0..0..1..1..1. .0..1..0..0..0..1. .0..1..0..1..1..1
..0..0..1..1..1..1. .0..1..1..0..0..0. .0..0..1..1..0..1. .0..1..0..0..0..1
CROSSREFS
Cf. A300546.
Sequence in context: A333263 A212042 A177026 * A055305 A300971 A300928
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 08 2018
STATUS
approved

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Last modified June 25 13:13 EDT 2024. Contains 373705 sequences. (Running on oeis4.)