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A223021 Number of nX5 0..2 arrays with every row having the same least squares slope fit to a straight line, and every column the same least squares slope fit to a straight line, with a single point array taken as having zero slope 0
243, 309, 8355, 13997, 878487, 2091169, 212538795, 603347801, 81616381827, 259502975877, 42646766734635 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A223022

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A055554 A214105 A018871 * A046318 A046375 A226064

Adjacent sequences:  A223018 A223019 A223020 * A223022 A223023 A223024

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 11 2013

STATUS

approved

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Last modified May 10 05:00 EDT 2021. Contains 343748 sequences. (Running on oeis4.)