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A080292 Orbit size of each tree A080293(n) under Donaghey's "Map M" Catalan automorphism. 7
1, 3, 9, 9, 81, 81, 81, 27, 1701, 1701, 1701, 1701, 2673, 2673, 891, 891 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
This is the size of the cycle containing A080295(n) in the permutations A057505/A057506.
LINKS
FORMULA
a(n) = A080967(A080295(n))
CROSSREFS
A080977(n) = A080272(2*n)/a(n). A080302(n) = a(n)/3 for n>0. Cf. A080973/A080975.
Sequence in context: A351929 A238912 A038227 * A273893 A228165 A114022
KEYWORD
nonn,more
AUTHOR
Antti Karttunen, Mar 02 2003
STATUS
approved

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Last modified April 16 05:35 EDT 2024. Contains 371697 sequences. (Running on oeis4.)