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A058222
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Tree of tournament sequences read across rows.
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4
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1, 2, 3, 4, 4, 5, 6, 5, 6, 7, 8, 5, 6, 7, 8, 6, 7, 8, 9, 10, 7, 8, 9, 10, 11, 12, 6, 7, 8, 9, 10, 7, 8, 9, 10, 11, 12, 8, 9, 10, 11, 12, 13, 14, 9, 10, 11, 12, 13, 14, 15, 16, 6, 7, 8, 9, 10, 7, 8, 9, 10, 11, 12, 8, 9, 10, 11, 12, 13, 14, 9, 10, 11, 12, 13, 14, 15, 16, 7, 8, 9
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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LINKS
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Table of n, a(n) for n=0..80.
M. Cook and M. Kleber, Tournament sequences and Meeussen sequences, Electronic J. Comb. 7 (2000), #R44.
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FORMULA
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Top node is 1; each node k has children labeled k+1, k+2, ..., 2k at next level.
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EXAMPLE
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1; 2; 3,4; 4,5,6,5,6,7,8; ...
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CROSSREFS
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A008934 gives number of children at level n. Cf. A058223.
Cf. A002083.
Sequence in context: A257646 A051898 A092032 * A064064 A101504 A125568
Adjacent sequences: A058219 A058220 A058221 * A058223 A058224 A058225
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KEYWORD
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nonn,easy,nice,tabf
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AUTHOR
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N. J. A. Sloane, Dec 02 2000
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STATUS
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approved
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