A202162 - OEIS

A202162

Number of nX2 0..3 arrays with every row and column running average nondecreasing rightwards and downwards but some diagonal running average having a decrease

0, 0, 4, 44, 288, 1537, 7328, 32515, 137127, 557042, 2199406, 8493667, 32225692, 120526196, 445477330, 1630344366, 5917000834, 21321552087, 76358216811, 271995346780, 964328895552, 3404784217800, 11977326096426, 41996294148654

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

OFFSET

1,3

COMMENTS

Column 2 of A202168

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..81

EXAMPLE

Some solutions for n=8

..0..0....0..0....0..0....0..1....0..0....0..0....0..0....0..1....0..0....0..0

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A270130 A074751 A129551 * A354646 A081078 A220920

Adjacent sequences: A202159 A202160 A202161 * A202163 A202164 A202165

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 13 2011

STATUS

approved

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