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A006544
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Number of stable forests with n nodes.
(Formerly M0702)
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0
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1, 2, 3, 5, 8, 15, 27, 54, 110, 238, 526, 1211, 2839, 6825, 16655, 41315, 103663, 263086, 673604, 1739155, 4521632, 11831735, 31134338, 82352098, 218837877, 584018065, 1564679863
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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REFERENCES
| K. L. McAvaney, Counting stable trees, pp. 79-85 of Combinatorial Mathematics (Proceedings 2nd Australian Conf.), Lect. Notes Math. 403, 1974.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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CROSSREFS
| Sequence in context: A000047 A101172 A192677 * A110536 A049861 A130476
Adjacent sequences: A006541 A006542 A006543 * A006545 A006546 A006547
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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