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!)
A250324 Number of length 5+2 0..n arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero 0
42, 487, 2432, 8767, 24126, 57305, 119004, 228401, 404196, 680467, 1085778, 1673983, 2485432, 3600959, 5069184, 7002383 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 5 of A250320
LINKS
EXAMPLE
Some solutions for n=6
..6....3....5....2....2....4....2....0....3....5....0....1....0....3....2....1
..0....0....6....0....1....4....1....6....2....4....4....4....2....3....2....0
..3....1....5....0....3....2....2....5....2....2....4....4....5....0....5....1
..6....0....5....0....2....3....0....2....1....5....6....6....6....4....4....2
..1....5....5....5....5....6....0....5....4....1....3....4....3....4....0....0
..5....3....2....0....5....0....3....5....2....5....1....4....2....5....0....0
..1....0....1....6....0....2....6....5....3....6....5....3....4....1....0....3
CROSSREFS
Sequence in context: A348833 A249233 A249234 * A086944 A263289 A273223
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 18 2014
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 April 12 10:51 EDT 2024. Contains 371632 sequences. (Running on oeis4.)