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A210059 Number of (n+1)X7 0..3 arrays with every 2X2 subblock having one, two or four distinct values, and new values 0..3 introduced in row major order 1
111659, 26510247, 6488330257, 1622061565898, 409244238764475, 103709585657221609, 26336924516842226001, 6694938325332208321451, 1702693751940512877132139, 433138276610022010132013399 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A210061

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A033446 A033447 A203667 * A236892 A237154 A203739

Adjacent sequences:  A210056 A210057 A210058 * A210060 A210061 A210062

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 16 2012

STATUS

approved

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Last modified August 4 07:32 EDT 2020. Contains 336201 sequences. (Running on oeis4.)