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Search: id:A080292
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A080292 Orbit size of each tree A080293(n) under Donaghey's "Map M" Catalan automorphism. +0
7
1, 3, 9, 9, 81, 81, 81, 27, 1701, 1701, 1701, 1701, 2673, 2673, 891, 891 (list; graph; listen)
OFFSET

0,2

COMMENT

This is the size of the cycle containing A080295(n) in the permutations A057505/A057506.

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: A072404 A125824 A038227 this_sequence A114022 A043048 A024574

Adjacent sequences: A080289 A080290 A080291 this_sequence A080293 A080294 A080295

KEYWORD

nonn

AUTHOR

Antti Karttunen (my_firstname.my_surname(AT)iki.fi) Mar 02 2003

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.


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