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A200533 Number of nX7 0..2 arrays with every row and column running average nondecreasing rightwards and downwards 1
87, 1873, 32556, 494555, 6820330, 87098434, 1056792824, 12348422785, 140068079857, 1551453118671, 16861973522704, 180469353488204, 1907201493832312, 19944555935687461, 206749466424763994 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A200534

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..19

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A082955 A201154 A171344 * A324112 A116269 A017803

Adjacent sequences:  A200530 A200531 A200532 * A200534 A200535 A200536

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 18 2011

STATUS

approved

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Last modified October 22 01:46 EDT 2020. Contains 337948 sequences. (Running on oeis4.)