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A202649 Number of n X n 0..2 arrays with no row or column sum equal to the previous 1
3, 52, 8460, 14394092, 231197740500 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 2 of A202651
LINKS
EXAMPLE
Some solutions for n=3
..0..2..1....0..2..1....2..2..1....1..0..0....0..2..0....0..0..1....0..0..0
..1..2..1....2..1..1....0..2..0....2..2..2....2..2..0....2..2..0....1..2..1
..1..2..0....1..1..0....1..1..2....1..0..1....0..1..0....2..1..0....2..0..0
CROSSREFS
Sequence in context: A337755 A263530 A136723 * A347611 A302932 A364441
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 22 2011
STATUS
approved

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Last modified July 18 06:54 EDT 2024. Contains 374377 sequences. (Running on oeis4.)