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A320400 Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
32, 1178, 18754, 368049, 6845143, 127789964, 2392115850, 44629532699, 834140753692, 15580741264463, 291092212043702, 5438147049045711, 101595093735936213, 1898003488715538165, 35458425306773811200 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A320402.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..1..1..0. .0..0..0..1..1..1. .0..0..0..1..0..0. .0..0..0..1..0..0
..0..0..0..1..0..1. .0..0..0..0..1..1. .0..0..1..1..1..1. .0..0..0..1..1..1
..0..0..0..1..1..1. .0..0..1..1..1..1. .0..0..1..1..0..1. .0..0..1..1..1..1
..0..0..0..1..1..0. .0..0..0..0..1..0. .0..0..1..0..1..1. .0..1..0..0..1..1
..0..0..0..1..1..0. .0..0..1..1..0..1. .0..1..1..1..1..0. .0..0..0..0..1..1
CROSSREFS
Cf. A320402.
Sequence in context: A184758 A189956 A318014 * A367538 A194652 A330481
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 12 2018
STATUS
approved

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Last modified May 27 21:52 EDT 2024. Contains 372882 sequences. (Running on oeis4.)