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A052450
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Number of n-node simple graphs having clique number 2.
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8
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0, 1, 2, 6, 13, 37, 106, 409, 1896, 12171, 105070
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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LINKS
| Keith M. Briggs, Combinatorial Graph Theory
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
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CROSSREFS
| Cf. A052451, A052452, A052453, A077392, A077393, A077394.
Sequence in context: A162057 A026550 A124124 * A001373 A057243 A012470
Adjacent sequences: A052447 A052448 A052449 * A052451 A052452 A052453
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KEYWORD
| nonn,more
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AUTHOR
| Eric Weisstein (eric(AT)weisstein.com)
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EXTENSIONS
| 2 more terms from Eric Weisstein (eric(AT)weisstein.com), Nov 03 2002
a(10) from Keith Briggs, Mar 15 2006
a(11) from Michael Sollami, Jan 29 2012
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