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A089413
Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutation A071655/A071656.
3
1, 1, 1, 2, 2, 4, 4, 5, 5, 11, 11, 17, 11, 21, 17, 30, 22, 52, 24, 74, 36
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OFFSET
0,4
COMMENTS
The number of orbits to which the corresponding automorphism(s) partitions the set of A000108(n) binary trees with n internal nodes.
LINKS
Table of n, a(n) for n=0..20.
A. Karttunen, C-program for computing the initial terms of this sequence
CROSSREFS
Bisections: A089409, A089416. Cf. A089411.
Sequence in context: A288773 A288774 A113474 * A159267 A127311 A376759
Adjacent sequences: A089410 A089411 A089412 * A089414 A089415 A089416
KEYWORD
nonn
AUTHOR
Antti Karttunen, Nov 29 2003
STATUS
approved

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Last modified November 15 07:04 EST 2024. Contains 377740 sequences.
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