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A203055 Number of nX6 0..5 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor 1
2507, 96511488, 1938869645102, 32577032228308750, 570286671940304710894, 10124772353743869083346802, 179109172750066296411502125680, 3165197229143145150961445735709722 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A203057

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..20

EXAMPLE

Some solutions for n=5

..0..0..5..0..4..0....2..3..0..1..0..2....0..1..4..4..3..1....2..2..4..5..2..1

..4..4..5..4..4..0....5..3..4..3..3..2....3..1..1..4..0..2....3..5..0..5..2..0

..3..3..2..3..0..3....5..3..4..2..4..2....3..1..4..4..3..2....3..5..5..2..0..2

..2..4..4..4..3..3....1..3..0..0..4..5....4..0..3..3..0..1....0..1..4..0..2..5

..3..5..5..0..0..0....2..2..5..5..4..5....4..0..4..4..5..5....2..2..4..0..4..5

CROSSREFS

Sequence in context: A234790 A251858 A251854 * A031621 A212400 A215197

Adjacent sequences:  A203052 A203053 A203054 * A203056 A203057 A203058

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 28 2011

STATUS

approved

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Last modified September 19 12:38 EDT 2020. Contains 337178 sequences. (Running on oeis4.)