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A204977 Number of nX7 0..2 arrays with no occurrence of three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..2 introduced in row major order 0
224, 301056, 41618941, 8202482914, 1519010368414, 284567725886961 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A204978
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..1..2..0..0....0..0..1..1..2..0..1....0..0..1..0..2..1..1
..2..1..1..0..1..0..0....1..2..1..2..1..0..1....1..2..1..1..2..1..1
..2..2..0..1..1..2..1....0..2..0..0..1..2..0....1..0..2..2..0..2..2
..1..2..0..0..2..2..0....1..0..0..1..2..2..0....2..1..0..0..1..1..0
..2..0..1..1..2..1..1....1..1..2..0..0..1..2....0..2..2..1..2..2..0
CROSSREFS
Sequence in context: A280960 A076007 A280672 * A204704 A206649 A340501
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 21 2012
STATUS
approved

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Last modified April 22 12:48 EDT 2024. Contains 371900 sequences. (Running on oeis4.)