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

111685, 2442897, 35771489, 790250057, 13370261977, 301396769777, 5930319470993, 141764937224521, 3246541228451337, 84193781654924345, 2190201944811939697, 61246019705999878397, 1737948173111148983265

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