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A210124 Number of (n+1)X8 0..3 arrays with every 2X2 subblock having two or four distinct values, and new values 0..3 introduced in row major order 1
536581, 131849767, 32591746591, 8207720539895, 2081130274494177, 529852245006108509, 135173360687873175669, 34522781137181374047739, 8822083886738180888820137, 2255127489409704037458723567 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A210125

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A227497 A183650 A273812 * A237323 A251355 A043636

Adjacent sequences:  A210121 A210122 A210123 * A210125 A210126 A210127

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 17 2012

STATUS

approved

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Last modified January 23 23:01 EST 2022. Contains 350515 sequences. (Running on oeis4.)