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A203098 Number of nX5 0..3 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor 1
144, 143510, 87531478, 48260497186, 27467664499412, 15712898935252156, 8968410661761080882, 5118067454812170831280, 2921169534343554102418252, 1667264462683367539615630114, 951588418839778093530014930652 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A203101

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Sequence in context: A272462 A217339 A231827 * A159724 A221124 A008700

Adjacent sequences:  A203095 A203096 A203097 * A203099 A203100 A203101

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 29 2011

STATUS

approved

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Last modified June 27 04:37 EDT 2022. Contains 354888 sequences. (Running on oeis4.)