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A236824 Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the minimum minus the lower median of every 2X2 subblock equal 1
6093, 109205, 1949236, 36874967, 701424751, 13643698414, 266389315989, 5258599354623, 104078580277828, 2072356525693189, 41343357985843129, 827681012692523870, 16593350093477339371, 333360416125702959021 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A236828

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A204966 A252329 A156200 * A211929 A251994 A201225

Adjacent sequences: A236821 A236822 A236823 * A236825 A236826 A236827

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 31 2014

STATUS

approved

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Last modified February 4 11:07 EST 2023. Contains 360053 sequences. (Running on oeis4.)