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A236297 Number of (n+1)X(2+1) 0..3 arrays colored with the maximum plus the upper median plus the minimum of every 2X2 subblock 1
3040, 85886, 2426656, 69129636, 1964531406, 55823555892, 1586691104376, 45108190615886, 1282164977752210, 36443548409921322, 1035893941730084796, 29445281778202254068, 836969782690818050452, 23790425584246814628008 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A236299

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A235666 A235427 A326416 * A297893 A035776 A108000

Adjacent sequences:  A236294 A236295 A236296 * A236298 A236299 A236300

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 21 2014

STATUS

approved

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Last modified October 31 19:00 EDT 2020. Contains 338111 sequences. (Running on oeis4.)