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

 

Logo

Many excellent designs for a new banner were submitted. We will use the best of them in rotation.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A169763 The coding-theoretic function A(n,4,5). 0
1, 1, 1, 3, 8, 18, 36, 66, 80 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,4

REFERENCES

A. E. Brouwer, J. B. Shearer, N. J. A. Sloane and W. D. Smith, New table of constant weight codes, IEEE Trans. Info. Theory 36 (1990), 1334-1380.

LINKS

Table of n, a(n) for n=4..12.

A. E. Brouwer, Bounds for constant weight binary codes

Index entries for sequences related to A(n,d,w)

CROSSREFS

Sequence in context: A055278 A036628 A004035 * A227161 A000234 A136376

Adjacent sequences:  A169760 A169761 A169762 * A169764 A169765 A169766

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, May 08 2010

EXTENSIONS

The first open case is A(13,4,5) >= 123.

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified April 16 18:58 EDT 2014. Contains 240627 sequences.