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A235558
Number of (n+1)X(3+1) 0..3 arrays with the sum of each 2X2 subblock two extreme terms minus its two median terms lexicographically nondecreasing rowwise and columnwise
1
23024, 2481481, 269127070, 24006644081, 1779283912244, 111365596706324, 6085624918209802, 295666879948724250, 13027131423053574349, 526620669534920057107, 19765434730013023379418, 694125830476673627265551
OFFSET
1,1
COMMENTS
Column 3 of A235559
LINKS
EXAMPLE
Some solutions for n=1
..0..1..2..1....2..3..3..2....0..3..1..0....3..3..2..3....3..0..0..2
..1..1..2..1....0..2..1..3....3..0..2..0....3..2..1..0....1..2..1..0
CROSSREFS
Sequence in context: A236039 A116062 A235778 * A104077 A199811 A230791
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 12 2014
STATUS
approved