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A301353 Number of nX7 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
8, 981, 39390, 1392131, 48476633, 1702789144, 59990521481, 2112136719464, 74331048515102, 2616023120767407, 92071029240759757, 3240450558843642214, 114047892100718342015, 4013922484956252317237, 141270244696020479378913 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A301354.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..1..0..0..1. .0..0..0..0..1..1..0. .0..0..0..0..1..1..1
..0..1..1..0..1..1..0. .0..1..1..0..1..1..0. .0..1..1..0..0..0..0
..0..0..0..0..0..1..0. .0..0..0..0..0..0..0. .0..0..0..1..1..1..1
..0..1..1..1..0..0..1. .0..1..1..1..1..1..0. .0..1..0..1..0..0..1
..0..0..1..1..1..1..1. .0..1..0..0..1..1..1. .0..1..1..0..0..1..1
CROSSREFS
Cf. A301354.
Sequence in context: A300426 A300688 A300611 * A183888 A181965 A159868
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 19 2018
STATUS
approved

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Last modified May 23 21:14 EDT 2024. Contains 372765 sequences. (Running on oeis4.)