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A236725 Number of (n+1)X(5+1) 0..2 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock equal 1
4227, 21829, 105206, 607539, 3413516, 21593010, 134575906, 924460811, 6207464355, 45401368428, 320074824585, 2438445808960, 17698173021054, 138099810742762, 1019098153303299, 8058980038095509, 60035917549887504 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A236728

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Sequence in context: A167037 A031563 A031743 * A210092 A035899 A035783

Adjacent sequences:  A236722 A236723 A236724 * A236726 A236727 A236728

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 30 2014

STATUS

approved

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Last modified August 10 14:50 EDT 2020. Contains 336381 sequences. (Running on oeis4.)