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A222845
Number of (n+1)X4 0..2 arrays with every row and column least squares fitting to a positive slope straight line
0
16, 576, 67986, 2088576, 121707070, 3904508304, 179900642006, 5870222299368
OFFSET
1,1
COMMENTS
Column 3 of A222847
EXAMPLE
Some solutions for n=3
..0..1..1..1....0..0..1..1....0..0..1..1....0..0..2..0....0..1..1..1
..1..0..2..2....0..2..1..1....0..0..2..2....2..0..1..2....1..1..2..1
..1..0..1..1....0..2..1..2....0..0..2..2....0..2..2..2....0..2..1..2
..1..2..2..2....1..1..2..2....1..2..2..2....1..2..2..2....1..2..2..2
CROSSREFS
Sequence in context: A223197 A089156 A210829 * A187403 A265638 A307943
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 07 2013
STATUS
approved