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.

A133797 Apply the map n -> sigma(phi(n)) to A023758.

Original entry on oeis.org

0, 1, 1, 3, 3, 3, 12, 7, 7, 12, 15, 15, 15, 28, 15, 72, 31, 31, 60, 31, 72, 91, 63, 63, 124, 63, 168, 91, 312, 127, 127, 252, 127, 360, 195, 312, 255, 255, 255, 508, 255, 744, 403, 728, 255, 1240, 511, 511, 1020, 511, 1512, 819, 1560, 511, 1240, 1860
Offset: 1

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Author

J. H. Conway, Jan 05 2008

Keywords

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