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A201191 Number of nX4 0..2 arrays with every row and column running average nondecreasing rightwards and downwards but some diagonal running average having a decrease 1
0, 6, 45, 276, 1742, 10723, 62507, 341239, 1756705, 8615033, 40624254, 185606670, 826641108, 3606104752, 15466501406, 65414240653, 273469830394, 1132219841873, 4649478654934, 18961523046357, 76874485386538, 310096854888262 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 4 of A201195

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..48

EXAMPLE

Some solutions for n=7

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

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

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

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

..2..2..2..2....1..1..2..2....1..1..2..2....1..2..2..2....2..2..2..2

..1..2..2..2....1..1..2..2....1..1..1..1....1..1..1..2....1..1..2..2

..1..1..1..2....2..2..2..2....1..2..2..2....1..2..2..2....2..2..2..2

CROSSREFS

Sequence in context: A003486 A262415 A297645 * A214982 A189801 A024077

Adjacent sequences:  A201188 A201189 A201190 * A201192 A201193 A201194

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 28 2011

STATUS

approved

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Last modified August 11 08:50 EDT 2020. Contains 336422 sequences. (Running on oeis4.)