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A220241 Equals two maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and vertical neighbors in a random 0..1 nX5 array 0
7, 292, 8127, 219617, 5804389, 165087351 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A220242
LINKS
EXAMPLE
Some solutions for n=3
..0..0..0..1..1....0..0..0..0..0....1..0..1..1..0....0..1..1..0..1
..0..0..1..1..1....0..1..1..0..1....1..0..0..1..1....0..1..0..0..1
..0..1..1..1..0....0..1..0..0..1....1..0..0..1..1....0..0..0..0..1
CROSSREFS
Sequence in context: A096548 A160072 A137435 * A041851 A082168 A362658
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 08 2012
STATUS
approved

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Last modified March 29 06:57 EDT 2024. Contains 371265 sequences. (Running on oeis4.)