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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
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
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 25 2013
STATUS
approved

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Last modified April 16 07:08 EDT 2024. Contains 371698 sequences. (Running on oeis4.)