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A222925 Number of (n+1)X2 0..3 arrays with every row and column least squares fitting to a positive slope straight line 2
6, 36, 340, 1914, 13850, 79266, 523133, 3016164, 19260414, 111909408, 701498945, 4101068118, 25437014760, 149386746096, 920230171199, 5422680704100, 33245274102805, 196418074534326, 1200010201718666, 7104314939065032 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 1 of A222929

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..34

EXAMPLE

Some solutions for n=2

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

..0..3....0..2....0..3....0..2....0..2....1..2....0..2....0..3....0..3....0..1

..1..2....1..3....2..3....1..3....2..3....2..3....1..2....1..3....1..3....2..3

CROSSREFS

Sequence in context: A129584 A052559 A053335 * A108733 A350525 A229530

Adjacent sequences:  A222922 A222923 A222924 * A222926 A222927 A222928

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 09 2013

STATUS

approved

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Last modified May 15 23:51 EDT 2022. Contains 353687 sequences. (Running on oeis4.)