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A236606 Number of (n+1)X(3+1) 0..2 arrays colored with the maximum plus the lower median minus the minimum of every 2X2 subblock 1
2269, 21814, 216432, 2192662, 22613889, 229977940, 2342679410, 23816075424, 243763361660, 2479046935412, 25312053125124, 257490589872160, 2631080784798550, 26769309443031508, 273355008108415708 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A236610

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A205586 A125253 A308792 * A251493 A235519 A235522

Adjacent sequences:  A236603 A236604 A236605 * A236607 A236608 A236609

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 29 2014

STATUS

approved

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Last modified May 28 18:24 EDT 2022. Contains 354122 sequences. (Running on oeis4.)