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A210319 Number of (n+1)X8 0..3 arrays containing all values 0..3 with every 2X2 subblock having two or three distinct values, and new values 0..3 introduced in row major order 1
74362241, 2324938770750, 69133776440716096, 2038470253990478011542, 60016709910309693653046556, 1766551049932868715095878774445, 51994819539384403072547129110683133 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A210320

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A032431 A186535 A244924 * A295479 A203825 A109178

Adjacent sequences:  A210316 A210317 A210318 * A210320 A210321 A210322

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 20 2012

STATUS

approved

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Last modified July 15 14:28 EDT 2019. Contains 325031 sequences. (Running on oeis4.)