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A236892 Number of (n+1)X(7+1) 0..2 arrays with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock equal 1
111685, 2442897, 35771489, 790250057, 13370261977, 301396769777, 5930319470993, 141764937224521, 3246541228451337, 84193781654924345, 2190201944811939697, 61246019705999878397, 1737948173111148983265 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A236893

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..146

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A033447 A203667 A210059 * A237154 A203739 A172699

Adjacent sequences:  A236889 A236890 A236891 * A236893 A236894 A236895

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 01 2014

STATUS

approved

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Last modified June 5 16:30 EDT 2020. Contains 334852 sequences. (Running on oeis4.)