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A219942 Number of 4Xn arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 4Xn array 1
35, 208, 2030, 21512, 173951, 1301292, 9073439, 59354249, 365947610, 2145444485, 12046595329, 65110996049, 339811990839, 1716295058005, 8405359988724, 39985660051195, 185069683334563, 834585631383453, 3671657062820420 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 4 of A219939

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..98

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Sequence in context: A005937 A219831 A184200 * A232713 A007329 A101628

Adjacent sequences:  A219939 A219940 A219941 * A219943 A219944 A219945

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 01 2012

STATUS

approved

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Last modified January 17 10:30 EST 2019. Contains 319218 sequences. (Running on oeis4.)