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A007268
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Number of partition graphs on n vertices.
(Formerly M1467)
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0
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1, 0, 1, 2, 5, 14, 47, 186, 894, 5249, 38181, 348568
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,4
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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CROSSREFS
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KEYWORD
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nonn,more,hard
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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