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!)
A201440 Number of zero-sum -n..n arrays of 5 elements with first through fourth differences also in -n..n 1
5, 21, 55, 111, 479, 837, 1333, 1989, 2827, 5737, 7743, 10165, 13031, 16369, 26119, 32081, 38875, 46541, 55115, 78221, 91467, 106087, 122147, 139713, 184765, 209597, 236519, 265591, 296875, 374751, 416515, 461207, 508905, 559677, 683245, 748295 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A201439

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..75

EXAMPLE

Some solutions for n=11

-11...-4....0...-2...-3....0..-10...-8...-3...-2....4....5....3....4...-3...-5

.-4....1...-3....2....4...-2....1...-1....4....2....0....2...-3....0....3....1

..5....0....1....3....2...-1....6....5....6...-1....2...-1...-3...-4....0....0

..8...-2....2....2....0....1....4....5....2...-3....2...-2....0...-4...-1....1

..2....5....0...-5...-3....2...-1...-1...-9....4...-8...-4....3....4....1....3

CROSSREFS

Sequence in context: A272810 A147834 A160378 * A096942 A122244 A146854

Adjacent sequences:  A201437 A201438 A201439 * A201441 A201442 A201443

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 01 2011

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 May 28 09:09 EDT 2022. Contains 354112 sequences. (Running on oeis4.)