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A237807 Number of (n+1)X(6+1) 0..2 arrays with the maximum plus the upper median minus the minimum of every 2X2 subblock equal 1
67947, 2653941, 91394885, 3610379651, 138098717927, 5517963998459, 217547105268603, 8720546710177177, 347341788702755697, 13931476986657992507, 557039921627992679279, 22342969754957980461879 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A237809

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..205

EXAMPLE

Some solutions for n=1

..2..0..2..0..2..2..2....2..2..0..0..2..0..0....2..2..2..2..0..2..0

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

CROSSREFS

Sequence in context: A224655 A234655 A104948 * A330414 A237389 A234662

Adjacent sequences:  A237804 A237805 A237806 * A237808 A237809 A237810

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 13 2014

STATUS

approved

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Last modified August 10 08:49 EDT 2022. Contains 356039 sequences. (Running on oeis4.)