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A207387 Number of n X n 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 1 0 vertically 0
2, 16, 98, 643, 5348, 42167, 335915, 2975974, 27237128, 254712604, 2518233755, 25906520150, 274611244775, 3028044205471, 34585700854386 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A207391
LINKS
EXAMPLE
Some solutions for n=4
..1..0..1..1....0..1..1..1....1..0..1..1....1..0..0..0....0..1..1..0
..0..1..1..0....0..0..0..0....1..0..1..1....0..1..1..0....0..0..0..0
..1..1..1..1....0..1..1..0....1..0..1..1....1..0..0..0....0..1..1..0
..0..1..1..1....0..0..0..0....1..0..1..1....1..1..1..0....0..1..1..0
CROSSREFS
Sequence in context: A082639 A207301 A207105 * A207934 A207780 A207461
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 17 2012
STATUS
approved

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Last modified March 28 12:26 EDT 2024. Contains 371254 sequences. (Running on oeis4.)