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A236598 Number of (n+1)X(2+1) 0..3 arrays colored with the maximum plus the upper median of every 2X2 subblock 1
2596, 55000, 1110784, 21573924, 415734304, 8222889690, 162119665374, 3173047388586, 62026293752944, 1218379589339878, 23923936803869694, 469011538437221262, 9192752095369391452, 180350228842915903988 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A236601

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A269287 A204774 A251899 * A237163 A203257 A262799

Adjacent sequences:  A236595 A236596 A236597 * A236599 A236600 A236601

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 29 2014

STATUS

approved

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Last modified February 23 18:13 EST 2019. Contains 320437 sequences. (Running on oeis4.)