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A237084 Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock equal 1
912, 3968, 17636, 84918, 412158, 2074898, 10501584, 54426654, 283246634, 1501153826, 7982904282, 43093989466, 233307639076, 1279207121514, 7031261342472, 39062684180020, 217475517840918, 1221592361623196 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A237090

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A145646 A093634 A220984 * A224969 A263122 A286214

Adjacent sequences:  A237081 A237082 A237083 * A237085 A237086 A237087

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 03 2014

STATUS

approved

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Last modified August 19 09:28 EDT 2022. Contains 356227 sequences. (Running on oeis4.)