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A235586
Number of (n+1)X(3+1) 0..2 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise
1
3459, 125917, 4421414, 140378037, 4163928036, 114786490439, 2990032682541, 74106981549899, 1765365400130163, 40697440146163271, 913932713083018242, 20094803280945238341, 434498123782453164305, 9271728703094105755896
OFFSET
1,1
COMMENTS
Column 3 of A235588
LINKS
EXAMPLE
Some solutions for n=2
..0..1..0..2....1..0..1..2....0..0..1..2....1..0..1..0....0..1..1..0
..0..0..0..1....0..0..2..0....1..1..2..0....1..1..2..0....0..2..0..1
..2..2..2..2....0..1..1..2....2..2..0..2....0..1..0..1....1..0..1..1
CROSSREFS
Sequence in context: A321866 A235835 A235830 * A252967 A252959 A224686
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 12 2014
STATUS
approved