Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A084554
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A084554 Weight distribution of [104,52,20] binary extended quadratic-residue (or QR) code. +0
1
1, 0, 0, 0, 0, 1138150, 206232780, 15909698064, 567725836990, 9915185041320, 88355709788905, 413543821457520, 1036378989344140, 1406044530294756, 1036378989344140, 413543821457520, 88355709788905, 9915185041320 (list; graph; listen)
OFFSET

0,6

COMMENT

Taken from the Tjhai-Tomlinson web site.

LINKS

C. J. Tjhai and Martin Tomlinson, Weight Distributions of Quadratic Residue and Quadratic Double Circulant Codes over GF(2)

EXAMPLE

The weight distribution is:

i A_i

0 1

20 1138150

24 206232780

28 15909698064

32 567725836990

36 9915185041320

40 88355709788905

44 413543821457520

48 1036378989344140

52 1406044530294756

56 1036378989344140

60 413543821457520

64 88355709788905

68 9915185041320

72 567725836990

76 15909698064

80 206232780

84 1138150

104 1

CROSSREFS

Sequence in context: A069583 A109209 A100365 this_sequence A114677 A158358 A151560

Adjacent sequences: A084551 A084552 A084553 this_sequence A084555 A084556 A084557

KEYWORD

nonn,fini

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Mar 30 2009

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


AT&T Labs Research