A080969 Orbit size of each non-branch-reduced tree encoded by A080971(n) under Donaghey's "Map M" Catalan automorphism.

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

Offset: 0

Author

Antti Karttunen, Mar 02 2003

Keywords

• nonn

Comments

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

Crossrefs

Cf. A080968, A080972.

Formula

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