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A200985 Number of nX3 0..4 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other 1
10, 20, 92, 537, 140, 3157, 3604, 6692, 26168, 5408, 84188, 69613, 118244, 371475, 57479, 864418, 645309, 916025, 2639447, 387005, 5166751, 3514237, 4833175, 12896465, 1709869, 22408038, 14621090, 18653741, 47941297, 6213321, 76880715 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A200990

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..103

EXAMPLE

Some solutions for n=4

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

..0..2..2....0..2..3....1..1..4....1..2..3....1..1..2....1..2..4....0..1..2

..1..2..4....1..3..4....1..2..4....1..3..3....2..3..4....1..3..4....1..1..3

..3..3..4....1..3..4....3..3..4....4..4..4....3..4..4....1..3..4....3..4..4

CROSSREFS

Sequence in context: A131726 A276764 A215878 * A166641 A101244 A260743

Adjacent sequences:  A200982 A200983 A200984 * A200986 A200987 A200988

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 25 2011

STATUS

approved

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Last modified December 4 16:47 EST 2021. Contains 349526 sequences. (Running on oeis4.)