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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A222859 Number of nX5 0..1 arrays with every row and column least squares fitting to a nonnegative slope straight line, with a single point array taken as having zero slope 1
20, 123, 2460, 22620, 452400, 5631696, 123774620, 1750579287, 38886003660, 616343677120, 13645322944000, 228861094261117, 5026600983006000, 87653141405083368, 1904562716219017600, 34122352692143937360 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A222862

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..19

EXAMPLE

Some solutions for n=3

..0..0..0..0..1....0..1..0..0..1....0..0..0..1..0....0..0..0..0..1

..1..0..0..0..1....1..0..0..0..1....1..0..1..0..1....1..1..0..1..1

..1..1..0..1..1....0..1..0..0..1....0..1..1..1..0....0..0..1..1..1

CROSSREFS

Sequence in context: A041770 A156255 A004634 * A263545 A227057 A263543

Adjacent sequences:  A222856 A222857 A222858 * A222860 A222861 A222862

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 07 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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 19 20:55 EDT 2020. Contains 337182 sequences. (Running on oeis4.)