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A223780 Number of nX5 0..1 arrays with row sums unimodal and column sums inverted unimodal 1
16, 418, 8940, 170596, 2953268, 47578884, 723952524, 10511594736, 147010714764, 1991930366642, 26287414292840, 339219557133945, 4293634757761535, 53448756094555559, 655687863052989235, 7941160613884038234 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A223782

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..18

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A035275 A173947 A264169 * A223714 A239645 A143039

Adjacent sequences:  A223777 A223778 A223779 * A223781 A223782 A223783

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 27 2013

STATUS

approved

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Last modified June 12 20:20 EDT 2021. Contains 344964 sequences. (Running on oeis4.)