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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A018237 Weight distribution of hypothetical [ 68,34,12 ] code derived from hypothetical [ 72,36,16 ] doubly-even self-dual code. 0
1, 0, 0, 0, 0, 0, 442, 14960, 174471, 1478048, 9546537, 46699952, 175078410, 509477760, 1160564636, 2081169376, 2949602799, 3312254400, 2949602799, 2081169376, 1160564636, 509477760, 175078410, 46699952, 9546537, 1478048, 174471, 442, 0, 0, 0, 0, 0, 0, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,7

REFERENCES

S. T. Dougherty and M Harada, Extremal and shadow extremal binary self-dual codes, preprint (Masaaki HARADA, harada(AT)math.okayama-u.ac.jp).

LINKS

Table of n, a(n) for n=0..34.

S. T. Dougherty, A related length 68 code.

S. T. Dougherty, A related length 68 code.

CROSSREFS

Cf. A018236.

Sequence in context: A236706 A105922 A250086 * A264270 A098256 A225350

Adjacent sequences:  A018234 A018235 A018236 * A018238 A018239 A018240

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Antonio G. Astudillo (afg_astudillo(AT)hotmail.com), Jun 15 2001

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 November 15 11:18 EST 2019. Contains 329144 sequences. (Running on oeis4.)