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A303623 Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
1, 496, 5411, 160807, 5249045, 179884814, 6323564388, 224091914399, 7966090548780, 283582960504149, 10101258867472961, 359903623078870120, 12824695714808614687, 457013934122432156738, 16286250681449999285061 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 7 of A303624.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0..1..1. .0..0..1..0..0..0..1. .0..0..0..0..0..0..0
..0..0..0..0..1..1..1. .0..0..0..0..0..0..0. .0..0..0..1..0..0..0
..0..0..0..0..0..1..1. .0..0..0..0..0..0..0. .0..0..0..0..0..0..0
..0..0..0..1..1..1..0. .0..0..0..0..0..1..1. .0..0..0..0..0..0..0
..0..0..1..1..1..1..0. .0..0..0..0..1..1..1. .0..0..0..0..0..0..0
CROSSREFS
Cf. A303624.
Sequence in context: A303083 A302888 A349699 * A249200 A249215 A249322
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 27 2018
STATUS
approved

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Last modified July 14 13:29 EDT 2024. Contains 374318 sequences. (Running on oeis4.)