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A038193
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Let G be an n-node graph with valencies d_1 .. d_n say; let m = (d_1 + ... + d_n)/n and s = n*Sum( (d_i-m)^2 ) be the scaled degree variance; a(n) gives number of different values taken by s.
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1
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1, 1, 2, 4, 11, 14, 43, 34, 102, 111, 296, 262
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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COMMENTS
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Computed by Jan Hagberg, Dept. Statistics, Stockholm Univ., Sweden.
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LINKS
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CROSSREFS
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KEYWORD
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nonn,nice,more
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AUTHOR
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EXTENSIONS
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Hagberg reference from C. Ronaldo (aga_new_ac(AT)hotmail.com), Dec 29 2004
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STATUS
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approved
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