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.

A074685 Permutation of natural numbers induced by the Catalan bijection gmA074685! acting on the parenthesizations encoded by A014486/A063171.

Original entry on oeis.org

0, 1, 3, 2, 6, 7, 8, 5, 4, 15, 14, 16, 17, 18, 19, 20, 21, 11, 12, 22, 13, 10, 9, 39, 40, 41, 38, 37, 43, 42, 44, 45, 46, 47, 48, 49, 50, 52, 51, 53, 54, 55, 56, 57, 58, 29, 28, 59, 30, 31, 32, 60, 61, 62, 33, 34, 63, 35, 25, 26, 64, 36, 27, 24, 23, 113, 112, 114, 115, 116
Offset: 0

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Author

Antti Karttunen, Sep 11 2002

Keywords

Crossrefs

Inverse of A074686. a(n) = A057163(A074689(A057163(n))). Occurs in A073200 as row 5572436.