login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A226402 Number of nondecreasing -n..n vectors of length 5 whose dot product with some nonincreasing -n..n vector equals 5 0
2, 38, 258, 874, 2674, 5272, 10554, 18170, 30814, 48204, 75312, 108574, 158900, 219746, 304160, 405086, 543242, 698314, 909178, 1146250, 1449110, 1790744, 2228894 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 5 of A226398
LINKS
EXAMPLE
Some solutions for n=3
.-2...-2...-2...-3...-2...-3...-2...-3...-2...-1...-3....0...-3...-3...-2...-3
.-1...-1...-2...-1...-1...-2...-2...-3...-1....1...-3....1...-3...-1...-2...-3
..0...-1....2...-1...-1....3...-2...-3...-1....1...-1....2...-3...-1...-1...-2
..0....0....3...-1...-1....3...-2...-1...-1....3....0....2...-1....0...-1....1
..0....1....3....3....2....3....3....2....0....3....3....2....1....1....1....2
CROSSREFS
Sequence in context: A105645 A098456 A214909 * A217214 A303618 A179503
KEYWORD
nonn
AUTHOR
R. H. Hardin Jun 06 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 20 20:25 EDT 2024. Contains 374459 sequences. (Running on oeis4.)