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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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified March 31 03:48 EDT 2020. Contains 333136 sequences. (Running on oeis4.)