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A188867 Number of n X n binary arrays without the pattern 0 0 0 antidiagonally or horizontally 1
2, 16, 316, 21937, 4805140, 3043939392, 6231989402196, 39466951597153578, 765738615267315132042, 46457365071065953602984688, 8729291812408997804314294504336, 5077761520250192263227063403337912870 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A188874
LINKS
EXAMPLE
Some solutions for 3X3
..1..0..1....0..1..0....0..0..1....0..0..1....0..1..0....1..1..1....1..0..1
..1..1..0....1..0..1....1..1..0....0..1..1....0..1..0....1..0..0....1..1..0
..0..1..0....1..1..0....1..0..0....1..0..0....0..1..1....1..1..1....1..0..0
CROSSREFS
Sequence in context: A223675 A189058 A189189 * A282787 A137729 A278589
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 12 2011
STATUS
approved

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Last modified September 3 09:02 EDT 2024. Contains 375656 sequences. (Running on oeis4.)