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A237386 Number of (n+1)X(2+1) 0..2 arrays colored with the maximum plus the upper median minus the minimum of every 2X2 subblock 1
434, 3240, 24340, 183764, 1379886, 10406596, 78612538, 593121116, 4469323758, 33698637958, 254212599808, 1917348305880, 14457809113682, 109028076862576, 822269791408032, 6201236835251186, 46765472722995182, 352677245924001228 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A237391

LINKS

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

R. H. Hardin, Empirical recurrence of order 58

FORMULA

Empirical recurrence of order 58 (see link above)

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A054982 A108785 A219033 * A259294 A050507 A145318

Adjacent sequences:  A237383 A237384 A237385 * A237387 A237388 A237389

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 07 2014

STATUS

approved

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Last modified July 4 12:28 EDT 2022. Contains 355075 sequences. (Running on oeis4.)