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A297642 Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 3 neighboring 1s. 1
64, 341, 10587, 109790, 2171757, 36084211, 715726580, 13224204993, 261938528068, 5203999725344, 104668658789888, 2103525884791406, 42565982691388772, 862789155518491293, 17507548215488386765, 355424056605280735400 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 6 of A297637.
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1..1. .1..1..0..1. .0..0..1..0. .0..0..1..0. .0..1..0..1
..0..0..1..0. .1..1..0..0. .0..0..0..0. .1..0..0..0. .0..0..0..1
..1..0..0..0. .1..1..0..0. .0..1..1..0. .0..0..0..1. .0..1..0..1
..0..0..0..0. .0..0..1..0. .0..0..1..1. .0..1..0..0. .0..0..0..0
..0..0..0..1. .1..0..1..1. .0..1..1..0. .0..1..0..1. .0..1..1..1
..1..0..0..1. .1..0..1..1. .0..0..0..0. .0..1..0..1. .0..0..1..0
CROSSREFS
Cf. A297637.
Sequence in context: A252080 A017366 A186441 * A061102 A016779 A298220
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 02 2018
STATUS
approved

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Last modified July 22 13:50 EDT 2024. Contains 374499 sequences. (Running on oeis4.)