cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A080272 Orbit size of each tree A080263(n) under Donaghey's "Map M" Catalan automorphism.

Original entry on oeis.org

1, 3, 3, 27, 54, 54, 18, 1134, 1134, 1134, 1134, 1782, 1782, 594, 594, 30618, 30618, 30618, 30618, 78246, 78246, 78246, 78246, 165726, 165726
Offset: 0

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Author

Antti Karttunen, Mar 02 2003

Keywords

Comments

This is the size of the cycle containing A080265(n) in the permutations A057505/A057506.

Crossrefs

A080977(n) = a(2*n)/A080292(n).

Formula

a(n) = A080967(A080265(n)).