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Search: id:A135909
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| A135909 |
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Clique number of commuting graph of alternating group A_n. |
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+0
1
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| 0, 0, 0, 2, 3, 4, 8, 11, 15, 26, 35, 47, 80, 107, 143, 242, 323, 431, 728, 971, 1295, 2186, 2915, 3887, 6560, 8747, 11663, 19682, 26243, 34991, 59048, 78731, 104975, 177146, 236195, 314927, 531440, 708587, 944783, 1594322, 2125763, 2834351, 4782968, 6377291, 8503055, 14348906
(list; graph; listen)
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OFFSET
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0,4
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COMMENT
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The graph is empty for n = 0, 1 and 2, so a(n) = 0 by convention (or should it be 1?).
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REFERENCES
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A. Iranmanesh and A. Jafarzadeh, On the commuting graph associated with the symmetric and alternating groups, J. Algebra and Applic., 7 (2008), 129-146.
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CROSSREFS
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Sequence in context: A127279 A050727 A102951 this_sequence A046812 A004045 A064418
Adjacent sequences: A135906 A135907 A135908 this_sequence A135910 A135911 A135912
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KEYWORD
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nonn
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AUTHOR
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njas, Mar 07 2008
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