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A235562 Number of (n+1)X(3+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
3199, 113391, 3793647, 114840543, 3160338477, 79254774059, 1838291205271, 39837425003517, 815567201782743, 15900415277347251, 297370038960071657, 5364998587487962169, 93828515658470993833, 1596984019365715055277 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A235565

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A211840 A235786 A235781 * A269114 A035896 A224646

Adjacent sequences:  A235559 A235560 A235561 * A235563 A235564 A235565

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 12 2014

STATUS

approved

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Last modified June 25 18:38 EDT 2022. Contains 354851 sequences. (Running on oeis4.)