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A301399 Number of nX7 0..1 arrays with every element equal to 2, 3, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
0, 41, 554, 15538, 521514, 16325745, 528025038, 16971131642, 546618326745, 17603736711807, 566956049378525, 18260390329067940, 588124654381330816, 18942222518786814929, 610087935644210871329, 19649617831383406991765 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 7 of A301400.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0..0..0. .0..0..0..0..0..0..0. .0..0..1..1..1..1..1
..0..0..1..1..0..0..1. .0..0..0..0..0..0..0. .0..0..1..1..1..1..0
..0..1..1..0..1..1..1. .0..1..1..0..1..1..1. .0..1..1..1..0..0..0
..0..1..0..1..1..1..1. .0..1..1..1..1..1..0. .0..0..1..1..0..1..1
..0..0..0..1..1..1..1. .0..0..0..0..0..0..0. .0..0..1..0..0..1..1
CROSSREFS
Cf. A301400.
Sequence in context: A297976 A208048 A298839 * A241622 A276251 A298627
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 20 2018
STATUS
approved

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Last modified May 24 01:04 EDT 2024. Contains 372765 sequences. (Running on oeis4.)