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.

A082336 Permutation of natural numbers induced by the Catalan bijection gma082336 acting on the parenthesizations encoded by A014486/A063171.

Original entry on oeis.org

0, 1, 3, 2, 8, 7, 4, 5, 6, 22, 21, 20, 18, 17, 9, 10, 11, 12, 13, 14, 15, 16, 19, 64, 63, 62, 59, 58, 61, 57, 55, 50, 49, 54, 48, 46, 45, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 47, 51, 52, 53, 56, 60, 196, 195, 194, 190, 189
Offset: 0

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Author

Antti Karttunen, Apr 17 2003

Keywords

Comments

This Catalan bijection rotates binary trees right, if possible, otherwise reflects them with the Catalan bijection A057163.

Crossrefs

Inverse of A082335. Cf. also A074679-A074680, A082349-A082350.
Number of fixed-points: A019590. (In range [A014137(n-1)..A014138(n-1)] of this permutation, possibly shifted one term left or right).