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.

A085175 Involution of natural numbers induced by the Catalan bijection gma085175 acting on symbolless S-expressions encoded by A014486/A063171.

Original entry on oeis.org

0, 1, 2, 3, 4, 6, 5, 7, 8, 9, 14, 11, 16, 19, 10, 15, 12, 17, 21, 13, 20, 18, 22, 23, 37, 28, 42, 51, 25, 39, 30, 44, 56, 33, 53, 47, 60, 24, 38, 29, 43, 52, 26, 40, 31, 45, 58, 35, 54, 49, 63, 27, 41, 34, 48, 62, 32, 57, 46, 59, 36, 61, 55, 50, 64, 65, 107, 79, 121, 149
Offset: 0

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Author

Antti Karttunen, Jun 23 2003

Keywords

Crossrefs

a(n) = A085169(A057164(A085170(n))). Cf. also A085161.