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A239170
Number of (n+1) X (n+1) 0..2 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors.
0
6, 82, 9604, 4140964, 9704723126, 108383467365104, 5817146886160257060
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A239178.
LINKS
Table of n, a(n) for n=1..7.
EXAMPLE
Some solutions for n=3
..0..0..2..2....2..2..0..0....1..1..1..1....2..2..2..1....1..2..2..2
..1..1..0..0....0..0..1..1....0..2..2..2....1..1..0..0....0..1..1..0
..1..1..1..0....1..1..0..0....0..1..1..1....0..0..1..1....0..0..0..0
..0..2..2..1....2..2..1..1....2..2..2..0....1..1..0..0....1..2..2..2
CROSSREFS
Cf. A239178.
Sequence in context: A068253 A188806 A155811 * A112462 A283198 A186661
Adjacent sequences: A239167 A239168 A239169 * A239171 A239172 A239173
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 11 2014
STATUS
approved

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Last modified November 16 22:15 EST 2024. Contains 377807 sequences.
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