|
| |
|
|
A185064
|
|
Numbers n such that a Golay sequence of length n exists.
|
|
6
|
|
|
|
1, 2, 4, 8, 10, 16, 20, 26, 32, 40, 52, 64, 80, 100
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,2
|
|
|
COMMENTS
|
It is known that the sequence contains all numbers 2^i 10^j 26^k, and that all terms n > 1 are even and not divisible by any prime == 3 (mod 4). But the full characterization of these numbers is an open problem.
|
|
|
REFERENCES
|
Dokovic, Dragomir Z., Equivalence classes and representatives of Golay sequences. Discrete Math. 189 (1998), no. 1-3, 79-93. MR1637705 (99j:94031).
|
|
|
LINKS
|
Table of n, a(n) for n=1..14.
|
|
|
CROSSREFS
|
Cf. A208924-A208929.
Sequence in context: A026169 A177931 A060378 * A036975 A093547 A068382
Adjacent sequences: A185061 A185062 A185063 * A185065 A185066 A185067
|
|
|
KEYWORD
|
nonn,nice,more
|
|
|
AUTHOR
|
N. J. A. Sloane, Mar 02 2012
|
|
|
STATUS
|
approved
|
| |
|
|