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A198706 Number of nX6 0..4 arrays with values 0..4 introduced in row major order and each element equal to at least one horizontal or vertical neighbor 0
6, 3508, 2654693, 3075124662, 3588013895024, 4285681886701131 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A198708

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions with all values 0 to 4 for n=3

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

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

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

CROSSREFS

Sequence in context: A247965 A172955 A283885 * A198625 A198653 A198660

Adjacent sequences:  A198703 A198704 A198705 * A198707 A198708 A198709

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 29 2011

STATUS

approved

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Last modified September 30 14:38 EDT 2022. Contains 357106 sequences. (Running on oeis4.)