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A223667 Number of nX6 0..1 arrays with rows, diagonals and antidiagonals unimodal 1
22, 484, 5913, 49561, 364959, 2715255, 21347949, 176196273, 1493319998, 12752674920, 108775648521, 925164714995, 7854870418554, 66655562324108, 565717490459602, 4802772296256892, 40782742978895315, 346338434126201765 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A223669

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A223737 A223635 A223720 * A223826 A223618 A223678

Adjacent sequences:  A223664 A223665 A223666 * A223668 A223669 A223670

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 25 2013

STATUS

approved

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Last modified December 8 20:37 EST 2021. Contains 349596 sequences. (Running on oeis4.)