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A308602
Number of (not necessarily maximal) cliques in the n-cycle graph.
0
8, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 123, 125, 127, 129, 131, 133
OFFSET
3,1
COMMENTS
Also the number of independent vertex sets in the complement of the n-cycle graph. - Eric W. Weisstein, Oct 11 2023
LINKS
Eric Weisstein's World of Mathematics, Clique
Eric Weisstein's World of Mathematics, Cycle Complement Graph
Eric Weisstein's World of Mathematics, Cycle Graph
Eric Weisstein's World of Mathematics, Independent Vertex Set
FORMULA
a(n) = 2*n+1 for n > 3.
CROSSREFS
Sequence in context: A188056 A128234 A368082 * A087668 A120176 A139049
KEYWORD
nonn,easy
AUTHOR
Eric W. Weisstein, Jun 09 2019
STATUS
approved