login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A071967 Theta series of 9-dimensional odd unimodular lattice E_8 + Z. 0
1, 2, 240, 480, 2162, 4320, 7200, 13440, 21840, 35042, 43680, 60960, 95520, 125280, 143040, 178560, 261362, 315840, 347280, 423840, 557280, 665280, 696480, 804480, 1069920, 1261922, 1227360, 1418880, 1845120, 2034720, 2066880, 2346240, 2890320 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

M. Peters, Sums of nine squares, Acta Arith., 102 (2002), 131-135.

LINKS

Table of n, a(n) for n=0..32.

CROSSREFS

Cf. A004009.

Sequence in context: A225784 A087226 A217972 * A024348 A006523 A294319

Adjacent sequences:  A071964 A071965 A071966 * A071968 A071969 A071970

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 17 2002

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 9 09:12 EDT 2021. Contains 343699 sequences. (Running on oeis4.)