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A207853 Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically 1
2, 16, 102, 1369, 44121, 2934369, 298294290, 56804048896, 22612514662790, 17183745725983369, 23510773704878179041, 60748271137827940655041, 304386527035085508883292036, 2891218911926091087027201634564 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A207858
LINKS
EXAMPLE
Some solutions for n=4
..1..0..0..1....1..0..0..1....1..0..1..1....1..0..1..1....0..0..1..1
..0..0..1..1....1..1..1..1....0..0..1..1....1..1..0..1....1..1..1..0
..0..0..1..1....1..1..1..1....0..0..1..1....1..1..0..0....1..1..1..0
..0..0..1..1....1..0..1..1....1..0..0..1....0..1..1..0....1..1..0..1
CROSSREFS
Sequence in context: A207117 A208415 A207945 * A208022 A207803 A370823
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 21 2012
STATUS
approved

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Last modified March 29 06:44 EDT 2024. Contains 371265 sequences. (Running on oeis4.)