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A223741 Number of nX7 0..2 arrays with rows, columns, diagonals and antidiagonals unimodal 0
239, 57121, 4207089, 129982953, 2289596121, 28017383049, 268717054875, 2171612995939, 15433289999394, 98940871306124, 581277319267903, 3162355311990371, 16049547130078535 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A223742
LINKS
EXAMPLE
Some solutions for n=3
..0..0..0..0..1..1..0....0..0..0..1..1..1..2....0..0..0..0..0..2..0
..0..0..1..2..2..2..1....0..0..0..1..1..2..0....0..0..0..0..2..2..0
..0..0..0..2..2..2..0....0..0..0..1..1..1..0....0..0..0..0..1..0..0
CROSSREFS
Sequence in context: A163052 A254298 A181855 * A223724 A223788 A223830
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 26 2013
STATUS
approved

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Last modified May 23 21:14 EDT 2024. Contains 372765 sequences. (Running on oeis4.)