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A237213 Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock equal 1
1076, 6200, 37858, 246916, 1641592, 11208306, 77496396, 543475684, 3843695622, 27411717100, 196558480820, 1416700594198, 10246225750604, 74351085871528, 540708716072682, 3941098561371132, 28766596024526768, 210313864318348138 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A237218

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=3

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

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

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

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

CROSSREFS

Sequence in context: A014364 A031779 A336781 * A235959 A235570 A278652

Adjacent sequences:  A237210 A237211 A237212 * A237214 A237215 A237216

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 05 2014

STATUS

approved

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Last modified July 24 06:56 EDT 2021. Contains 346273 sequences. (Running on oeis4.)