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A232347 Number of (n+1)X(3+1) 0..2 arrays with every element both >= and <= some horizontal, vertical, diagonal or antidiagonal neighbor 1
1461, 111607, 6753291, 426813751, 27382170933, 1753672323629, 112198453386465, 7178913247853751, 459367231584591507, 29394095101817393631, 1880867639785229395915, 120352854144851883802499 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A232352
LINKS
FORMULA
Empirical recurrence of order 80 (see link above)
EXAMPLE
Some solutions for n=2
..0..2..1..1....0..1..0..2....0..2..0..1....2..2..0..0....2..1..0..0
..0..2..2..0....0..0..1..2....2..0..0..2....1..0..0..0....1..2..0..2
..1..0..2..0....1..1..0..2....1..1..2..0....1..1..2..2....1..2..0..2
CROSSREFS
Sequence in context: A237947 A205316 A283493 * A251942 A251943 A251950
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 22 2013
STATUS
approved

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Last modified February 24 11:08 EST 2024. Contains 370303 sequences. (Running on oeis4.)