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A223874 Number of nX6 0..3 arrays with rows, diagonals and antidiagonals unimodal 1
610, 372100, 90648289, 13394424591, 1705349067795, 222723966999899, 31033209360480497, 4506383006996850479, 664129167006783939721, 98073753144458822374289, 14467688866723338479395847 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A223876

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A223810 A223760 A223848 * A223799 A323281 A214855

Adjacent sequences:  A223871 A223872 A223873 * A223875 A223876 A223877

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 28 2013

STATUS

approved

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Last modified January 17 16:58 EST 2022. Contains 350402 sequences. (Running on oeis4.)