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A235563
Number of (n+1)X(4+1) 0..2 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise
1
17837, 1383617, 114840543, 9226436673, 682927935295, 45560931506381, 2748535870959415, 151139535366320389, 7661370909659405129, 361493024903082821331, 16020641785114433587013, 671836496638837570805585
OFFSET
1,1
COMMENTS
Column 4 of A235565
LINKS
EXAMPLE
Some solutions for n=1
..1..1..1..1..2....0..2..0..1..0....2..1..2..0..0....2..2..1..0..1
..2..1..0..2..0....1..1..2..0..1....1..1..0..0..2....0..2..2..1..1
CROSSREFS
Sequence in context: A204742 A235782 A235787 * A188103 A250078 A165106
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 12 2014
STATUS
approved