|
| |
|
|
A135831
|
|
Independence number of commuting graph of symmetric group S_n.
|
|
1
| | |
|
|
|
OFFSET
| 0,4
|
|
|
COMMENTS
| The graph is empty for n = 0, 1 and 2, so a(n) = 0 by convention (or should it be 1?).
|
|
|
REFERENCES
| A. Iranmanesh and A. Jafarzadeh, On the commuting graph associated with the symmetric and alternating groups, J. Algebra and Applic., 7 (2008), 129-146.
|
|
|
CROSSREFS
| Sequence in context: A034730 A095127 A006342 * A015796 A034717 A001673
Adjacent sequences: A135828 A135829 A135830 * A135832 A135833 A135834
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Mar 06 2008
|
| |
|
|
