The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 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 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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

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