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A236607 Number of (n+1)X(4+1) 0..2 arrays colored with the maximum plus the lower median minus the minimum of every 2X2 subblock 1
12004, 157852, 2192662, 32232284, 482194440, 7140442816, 105098040870, 1555308108966, 23066776469364, 341316489224086, 5045671685700262, 74678192102404218, 1105663993202224866, 16360739984884517126 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A236610

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A237491 A235074 A251163 * A156713 A183059 A287046

Adjacent sequences:  A236604 A236605 A236606 * A236608 A236609 A236610

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 29 2014

STATUS

approved

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Last modified June 28 16:42 EDT 2022. Contains 354907 sequences. (Running on oeis4.)