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A200968
Number of nX2 0..6 arrays with every row and column running average nondecreasing rightwards and downwards.
1
28, 336, 3636, 37254, 368218, 3543465, 33420304, 310188575, 2842734858, 25785030510, 231905061219, 2071004316674, 18384294374976, 162358277380149, 1427441485073845, 12500646342073494, 109091420391340409
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OFFSET
1,1
COMMENTS
Column 2 of
A200974
LINKS
R. H. Hardin,
Table of n, a(n) for n = 1..99
EXAMPLE
Some solutions for n=3
..1..1....0..0....1..2....0..0....1..5....0..5....0..3....0..3....1..5....0..2
..6..6....0..3....2..5....0..1....3..5....1..6....3..3....0..6....4..6....0..2
..5..5....0..2....4..5....4..4....3..5....4..6....2..3....4..5....3..6....2..5
CROSSREFS
Sequence in context:
A027820
A092713
A134288
*
A285739
A010833
A022720
Adjacent sequences:
A200965
A200966
A200967
*
A200969
A200970
A200971
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Nov 25 2011
STATUS
approved
