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A203276 Number of nX7 0..5 arrays with every nonzero element less than or equal to some NW, E or S neighbor 1
1, 31121459, 2854004857534, 94164551870236956, 2658493631378011835550, 85442744497742460143930997, 2882997102757569110567142289632, 95409196245724543971463645967413336 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 7 of A203277
LINKS
EXAMPLE
Some solutions for n=4
..1..5..4..4..4..4..4....5..4..0..2..4..5..5....0..4..4..0..1..5..2
..3..5..2..1..5..0..4....5..4..0..1..1..3..5....3..3..4..2..2..5..5
..5..5..2..3..5..4..3....5..3..3..5..0..3..0....4..1..5..4..5..3..3
..5..5..1..5..5..5..3....5..5..0..5..5..3..3....4..4..5..5..5..5..0
CROSSREFS
Sequence in context: A261986 A103576 A288087 * A182088 A209786 A251530
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 31 2011
STATUS
approved

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)