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A302970 Number of 7Xn 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
64, 8192, 133757, 3157171, 63612987, 1365216668, 28906043997, 610488691748, 12956909898199, 274201107406761, 5808903569877147, 123055467606278343, 2606329081200670585, 55211783952761651310, 1169521808389101196131 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 7 of A302965.
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
..0..0..1..1..1. .0..0..1..1..0. .0..0..1..1..1. .0..0..1..1..0
..1..0..1..0..0. .1..0..1..0..0. .1..0..1..0..0. .1..0..1..0..1
..0..1..0..1..1. .1..0..1..0..0. .1..0..1..0..1. .1..0..0..1..0
..0..1..0..0..1. .0..0..1..1..0. .0..1..0..1..0. .1..1..0..1..0
..1..1..0..1..1. .0..1..0..0..0. .1..1..0..1..0. .0..1..0..1..0
..1..0..0..1..1. .0..1..1..1..1. .0..1..1..0..1. .1..0..1..1..1
CROSSREFS
Cf. A302965.
Sequence in context: A160448 A302271 A301847 * A291832 A302074 A302813
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 16 2018
STATUS
approved

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Last modified July 19 22:34 EDT 2024. Contains 374441 sequences. (Running on oeis4.)