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A201276 Number of nX7 0..2 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other 1
3, 27, 54, 740, 2827, 3113, 27008, 71704, 59070, 408600, 894812, 621910, 3704174, 7087046, 4373879, 23558696, 41171126, 23396689, 116650532, 190010902, 101247815, 476808796, 736407602, 373431803, 1678517670, 2482516953 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A201277

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..82

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Sequence in context: A147267 A071183 A025414 * A053360 A176963 A204046

Adjacent sequences:  A201273 A201274 A201275 * A201277 A201278 A201279

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 29 2011

STATUS

approved

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Last modified February 22 04:27 EST 2020. Contains 332115 sequences. (Running on oeis4.)