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Search: id:A052450
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A052450 Number of n-node simple graphs having clique number 2. +0
8
0, 1, 2, 6, 13, 37, 106, 409, 1896, 12171 (list; graph; listen)
OFFSET

1,3

LINKS

Keith M. Briggs, Combinatorial Graph Theory

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

CROSSREFS

Cf. A052451, A052452, A052453, A077392, A077393, A077394.

Sequence in context: A162057 A026550 A124124 this_sequence A001373 A057243 A012470

Adjacent sequences: A052447 A052448 A052449 this_sequence A052451 A052452 A052453

KEYWORD

nonn,more

AUTHOR

Eric Weisstein (eric(AT)weisstein.com)

EXTENSIONS

2 more terms from Eric Weisstein (eric(AT)weisstein.com), Nov 03 2002

a(10) from Keith Briggs, Mar 15 2006

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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