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A235656
Number of (n+1)X(4+1) 0..1 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise
1
476, 6378, 85700, 1088450, 13349432, 156257766, 1760232169, 19098030172, 200821523820, 2053582822620, 20519104530695, 201006081584245, 1937283413026295, 18420260232233213, 173231193676166625
OFFSET
1,1
COMMENTS
Column 4 of A235660
LINKS
EXAMPLE
Some solutions for n=3
..0..0..0..0..1....0..0..0..1..0....1..1..1..1..1....1..0..0..0..1
..0..0..0..1..1....0..1..1..1..0....1..1..0..0..0....0..0..0..0..0
..1..0..0..1..0....0..1..1..1..1....0..0..0..0..0....0..1..0..0..0
..1..1..1..1..1....0..1..0..1..0....1..1..1..1..1....0..0..0..1..1
CROSSREFS
Sequence in context: A205287 A236519 A205895 * A264290 A181228 A278286
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 13 2014
STATUS
approved