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A210182 Number of (n+1)X8 0..3 arrays containing all values 0..3 with every 2X2 subblock having three or four distinct values, and new values 0..3 introduced in row major order 1
12988416, 84200356757, 525217898009080, 3289463766677655180, 20592266923035456358072, 128916198764977919097970016, 807064033391082670768444038930, 5052529194034452722003155551168526 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A210183

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..151

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A251472 A256734 A237034 * A210412 A048937 A257269

Adjacent sequences:  A210179 A210180 A210181 * A210183 A210184 A210185

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 18 2012

STATUS

approved

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Last modified May 26 18:08 EDT 2020. Contains 334630 sequences. (Running on oeis4.)