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A218524 Number of 3Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..3 3Xn array 1
64, 236, 4634, 46140, 639228, 7687526, 100029148, 1260284690, 16119079970, 204833380744, 2611281890222, 33242567872546, 423477139656892, 5393125440584082, 68692255949507890, 874885927192766714 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 3 of A218522

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..159

EXAMPLE

Some solutions for n=3

..3..1..0....0..0..0....1..1..1....0..0..3....2..2..3....0..0..0....1..1..3

..0..0..0....0..0..2....3..1..3....0..0..1....3..2..3....2..0..2....2..1..1

..0..2..3....2..0..0....2..0..0....0..0..3....2..1..1....2..2..2....1..1..3

CROSSREFS

Sequence in context: A279714 A228802 A222547 * A188863 A228687 A223332

Adjacent sequences:  A218521 A218522 A218523 * A218525 A218526 A218527

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 31 2012

STATUS

approved

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Last modified October 27 10:47 EDT 2021. Contains 348274 sequences. (Running on oeis4.)