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!)
A223307 Number of nX4 0..2 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 1
36, 340, 12240, 221346, 8909352, 221358126, 8788947912, 255893927728, 10060028772840 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A223309

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A053136 A000821 A250422 * A244795 A222492 A203282

Adjacent sequences:  A223304 A223305 A223306 * A223308 A223309 A223310

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 19 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 June 13 00:57 EDT 2021. Contains 344980 sequences. (Running on oeis4.)