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

 

Logo

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A051526 Order of group G_{1,n}^{8}. 0
192, 1536, 4608, 12288, 23040, 368648, 64512, 98304 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Bannai et al. write that a(2^n) = 192*2^(n-1), but it seems that a(2^n) = 192*8^n instead. - Charles R Greathouse IV, Jun 19 2013

LINKS

Table of n, a(n) for n=1..8.

E. Bannai, S. T. Dougherty, M. Harada and M. Oura, Type II Codes, Even Unimodular Lattices and Invariant Rings, IEEE Trans. Information Theory, Volume 45, Number 4, 1999, 1194-1205.

CROSSREFS

Sequence in context: A133064 A183685 A254846 * A188786 A251442 A251435

Adjacent sequences:  A051523 A051524 A051525 * A051527 A051528 A051529

KEYWORD

nonn,easy,nice,more

AUTHOR

N. J. A. Sloane

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 January 19 06:37 EST 2020. Contains 331033 sequences. (Running on oeis4.)