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A203052 Number of nX3 0..5 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor 1
36, 7820, 1055370, 125838722, 15517802234, 1938869645102, 241217648933826, 29971627049343224, 3725990432226868516, 463261261782859760260, 57594655074793031580852, 7160340394532449129071948 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A203057

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Sequence in context: A145248 A222974 A013739 * A054407 A268553 A233171

Adjacent sequences:  A203049 A203050 A203051 * A203053 A203054 A203055

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 28 2011

STATUS

approved

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Last modified August 7 15:20 EDT 2020. Contains 336276 sequences. (Running on oeis4.)