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A223783
Number of n X n 0..2 arrays with rows, diagonals and antidiagonals unimodal
0
3, 81, 8635, 1560013, 343454446, 82093381460, 20229461153969, 5020313112266183
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A223789
LINKS
Table of n, a(n) for n=1..8.
EXAMPLE
Some solutions for n=3
..2..1..1....0..1..1....0..2..1....0..0..2....0..0..0....2..1..0....0..0..1
..1..1..1....0..2..0....2..1..0....0..1..1....0..1..1....1..1..0....0..2..2
..0..1..1....2..2..1....0..2..1....0..2..2....2..1..0....2..1..0....2..1..0
CROSSREFS
Sequence in context: A223825 A207222 A207007 * A223969 A207202 A206856
Adjacent sequences: A223780 A223781 A223782 * A223784 A223785 A223786
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 27 2013
STATUS
approved

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Last modified September 28 09:19 EDT 2024. Contains 376288 sequences.
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