login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A080969 Orbit size of each non-branch-reduced tree encoded by A080971(n) under Donaghey's "Map M" Catalan automorphism. 3
2, 2, 2, 6, 6, 6, 6, 6, 6, 2, 2, 6, 6, 6, 3, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 6, 6, 6, 3, 6, 6, 6, 6, 6, 2, 2, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 20, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 20, 2, 6, 6, 6, 20, 20, 6, 6, 6, 6, 6, 20, 6, 6, 20, 6, 20, 6, 6, 20, 20, 6, 20, 6, 6, 6, 20, 20, 6, 6, 20, 20, 6, 20 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

This is the size of the cycle containing A080970(n) in the permutations A057505/A057506.

LINKS

Table of n, a(n) for n=0..97.

FORMULA

a(n) = A080967(A080970(n))

CROSSREFS

Cf. A080968, A080972.

Sequence in context: A283673 A198472 A171698 * A214078 A155453 A032558

Adjacent sequences:  A080966 A080967 A080968 * A080970 A080971 A080972

KEYWORD

nonn

AUTHOR

Antti Karttunen Mar 02 2003

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 17 14:44 EDT 2019. Contains 325106 sequences. (Running on oeis4.)