login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A128690 Records in A000118. Number of ways of writing A128689(n) as a sum of 4 squares. 1
1, 8, 24, 32, 48, 96, 104, 144, 192, 312, 336, 576, 768, 960, 1152, 1344, 1872, 1920, 2496, 2976, 3072, 3744, 4608, 5760, 6912, 7680, 8064, 9672 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..28.

CROSSREFS

Cf. A000118 = number of ways of writing n as a sum of 4 squares; theta series of lattice Z^4.

Cf. A128689.

Sequence in context: A056196 A044069 A028628 * A140403 A108578 A044450

Adjacent sequences:  A128687 A128688 A128689 * A128691 A128692 A128693

KEYWORD

nonn

AUTHOR

Jonathan Vos Post, Mar 21 2007

EXTENSIONS

Data corrected by Giovanni Resta, Jun 18 2016

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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified December 10 23:13 EST 2016. Contains 279021 sequences.