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A219122 Number of n X n arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..2 n X n array 0
3, 15, 787, 42231, 20168447, 12934559893, 54444733905291 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A219128

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

Some solutions for n=3

..2..0..1....2..0..1....1..1..2....1..1..2....0..0..2....1..0..0....0..0..1

..0..0..0....0..0..1....1..0..2....2..1..2....1..0..0....2..0..1....1..0..1

..0..0..1....0..0..1....2..0..0....1..1..1....0..0..2....0..0..0....2..2..2

CROSSREFS

Sequence in context: A167220 A296939 A077399 * A293541 A207332 A013409

Adjacent sequences:  A219119 A219120 A219121 * A219123 A219124 A219125

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 12 2012

STATUS

approved

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Last modified May 7 10:02 EDT 2021. Contains 343649 sequences. (Running on oeis4.)