The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A226418 Number of nondecreasing -4..4 vectors of length n whose dot product with some lexicographically greater or equal nondecreasing -4..4 vector equals n 0
2, 25, 104, 411, 968, 2689, 5573, 12301, 22398, 41891, 71784, 124195, 196235, 313967, 479501, 730157, 1062596, 1548604 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A226422
LINKS
EXAMPLE
Some solutions for n=3
.-3...-3...-4...-1...-3...-3...-4...-2...-1...-2...-4...-3...-4...-3...-1...-3
.-1...-3...-1....1...-2....2...-4...-1....0...-1....1...-3...-1...-2...-1...-3
..1....2....4....2....1....2...-3....0....1....4....1....1....3....2....1....3
CROSSREFS
Sequence in context: A181920 A123012 A175522 * A196011 A080515 A258943
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 June 3 12:27 EDT 2024. Contains 373060 sequences. (Running on oeis4.)