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A200529 Number of nX3 0..2 arrays with every row and column running average nondecreasing rightwards and downwards 1
11, 57, 243, 905, 3135, 10292, 32556, 100065, 300847, 888587, 2586994, 7441963, 21193523, 59838942, 167704775, 466986683, 1293018711, 3562315723, 9770764284, 26693067952, 72663897633, 197170483178, 533459459628, 1439508706370 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A200534

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..122

EXAMPLE

Some solutions for n=4

..0..0..0....0..0..2....0..2..1....0..0..0....0..0..0....0..0..0....0..0..2

..0..0..0....2..2..2....0..2..1....0..0..0....0..1..1....0..1..1....0..1..2

..0..2..2....2..2..2....1..2..2....0..0..0....0..1..2....0..2..1....0..2..2

..2..2..2....2..2..2....1..2..2....0..1..1....1..2..2....1..1..2....0..2..2

CROSSREFS

Sequence in context: A244497 A101094 A187693 * A289255 A275795 A014470

Adjacent sequences:  A200526 A200527 A200528 * A200530 A200531 A200532

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 18 2011

STATUS

approved

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Last modified September 21 00:17 EDT 2019. Contains 327252 sequences. (Running on oeis4.)