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A131649
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Number of distinct improper 2-coloring of edges for odd-order cyclic graphs.
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0
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4, 8, 16, 32, 54, 82, 116, 156, 202, 254, 312, 376, 446, 522, 604
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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3,1
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LINKS
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Table of n, a(n) for n=3..17.
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MATHEMATICA
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Table[If[n == 3, n + 1, If[n == 5, n + 3, 1/2 (13 - 5 n) + 3/4 (-1 + n)^2]], {n, 3, 31, 2}]
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CROSSREFS
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Sequence in context: A101434 A048168 A175341 * A003199 A189925 A007096
Adjacent sequences: A131646 A131647 A131648 * A131650 A131651 A131652
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KEYWORD
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nonn
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AUTHOR
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M. Razid Black (mrazidblack(AT)hotmail.com), Sep 10 2007
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STATUS
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approved
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