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A297380 Number of 7Xn 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 0, 1 or 2 neighboring 1s. 1
128, 16384, 899565, 67012245, 5201484239, 383128155296, 28559447121714, 2136915074062801, 159485442516170020, 11906501694015288457, 889085359991168514569, 66384075576730768153403, 4956603963267788832571902 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 7 of A297374.
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..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
..0..0..0..0..0. .0..1..0..1..0. .0..1..0..1..0. .0..1..0..1..0
..1..0..0..0..1. .1..0..1..0..0. .0..1..1..0..0. .1..0..0..0..1
..1..1..0..1..0. .1..0..0..1..0. .0..0..0..0..0. .0..0..0..1..1
..0..0..1..1..1. .0..0..0..0..1. .1..1..1..1..0. .1..0..0..1..0
CROSSREFS
Cf. A297374.
Sequence in context: A189115 A188908 A189109 * A283863 A223568 A144321
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 29 2017
STATUS
approved

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Last modified February 26 21:28 EST 2024. Contains 370352 sequences. (Running on oeis4.)