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A220332 Equals two maps: number of 5Xn binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..1 5Xn array 0
1, 114, 2788, 76627, 2065264, 59893608, 1653121774 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Row 5 of A220328
LINKS
Table of n, a(n) for n=1..7.
EXAMPLE
Some solutions for n=3
..0..0..0....0..0..1....0..0..0....0..1..0....0..1..0....0..1..1....0..0..0
..1..1..0....1..1..0....0..1..0....1..1..0....1..0..1....0..0..0....0..1..0
..0..0..0....0..0..0....0..1..1....1..0..1....1..0..1....0..1..0....0..1..0
..0..1..0....1..1..1....0..1..0....1..0..1....1..0..1....0..1..1....0..1..1
..0..0..0....0..1..0....0..1..0....0..1..0....0..0..0....1..0..0....0..1..0
CROSSREFS
Sequence in context: A230464 A200891 A240386 * A162675 A221293 A306194
Adjacent sequences: A220329 A220330 A220331 * A220333 A220334 A220335
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 10 2012
STATUS
approved

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Last modified December 7 08:09 EST 2023. Contains 367630 sequences. (Running on oeis4.)