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Search: id:A011274
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| A011274 |
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Triangle of numbers of hybrid rooted trees (divided by Fibonacci numbers). |
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+0
1
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| 1, 2, 1, 7, 4, 1, 31, 18, 6, 1, 154, 90, 33, 8, 1, 820, 481, 185, 52, 10, 1
(list; table; graph; listen)
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OFFSET
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1,2
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REFERENCES
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J.M. Pallo, On the listing and random generation of hybrid binary trees, International Journal of Computer Mathematics, 50, 1994, 135-145.
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LINKS
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Index entries for sequences related to rooted trees
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CROSSREFS
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Cf. A011270, A011272.
Sequence in context: A144696 A072248 A092276 this_sequence A122843 A167196 A107865
Adjacent sequences: A011271 A011272 A011273 this_sequence A011275 A011276 A011277
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KEYWORD
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nonn,easy,tabl,nice
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AUTHOR
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pallo(AT)u-bourgogne.fr (Jean Pallo)
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