login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A222974 Number of 6X(n+1) 0..1 arrays with every row least squares fitting to a positive slope straight line and every column least squares fitting to a zero or positive slope straight line, with a single point array taken as having zero slope 0
1, 36, 7344, 264384, 21852384, 677339136, 41252032201, 1279444594428, 63987904860942, 2004349575346776 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 6 of A222969

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

CROSSREFS

Sequence in context: A068272 A068284 A145248 * A013739 A203052 A054407

Adjacent sequences:  A222971 A222972 A222973 * A222975 A222976 A222977

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 10 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 November 15 21:37 EST 2019. Contains 329168 sequences. (Running on oeis4.)