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A223883 Number of nX3 0..2 arrays with row sums unimodal and column sums inverted unimodal 1
22, 564, 11250, 187019, 2718572, 35673854, 431939504, 4901224903, 52724142720, 542458862253, 5374667759935, 51561822161831, 481068900940649, 4380767665324085, 39052633428110362, 341657170980967653 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A223885

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..47

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A271266 A333899 A239652 * A223890 A240369 A159875

Adjacent sequences:  A223880 A223881 A223882 * A223884 A223885 A223886

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 28 2013

STATUS

approved

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Last modified December 3 11:58 EST 2021. Contains 349462 sequences. (Running on oeis4.)