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A303511 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
32, 360, 2764, 43448, 656838, 8883058, 130480638, 1939853204, 28081434251, 411774371195, 6065493199253, 88825470476780, 1303638255689018, 19157568544429324, 281164304594766472, 4128168441412395123 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A303513.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..1..0..1. .0..0..0..1..0..1. .0..0..0..1..0..0. .0..0..0..1..0..1
..0..1..0..0..1..1. .0..1..0..1..0..1. .0..1..0..1..0..1. .0..0..0..1..1..0
..0..1..0..1..0..0. .0..1..0..0..0..1. .0..1..1..1..1..1. .0..1..0..1..0..1
..0..1..0..0..1..0. .1..0..0..1..0..1. .0..0..0..1..0..0. .0..1..0..1..1..0
..1..1..1..0..0..0. .1..1..0..1..0..0. .0..0..0..1..0..1. .0..0..0..0..1..1
CROSSREFS
Cf. A303513.
Sequence in context: A260359 A105250 A302818 * A240787 A191901 A191489
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 25 2018
STATUS
approved

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Last modified April 23 07:57 EDT 2024. Contains 371905 sequences. (Running on oeis4.)