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.

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A102180 Iccanobirt semiprime indices (10 of 15): Indices of semiprime numbers in A102120.

Original entry on oeis.org

5, 15, 18, 29, 30, 31, 32, 33, 44, 46, 59, 84, 95, 97, 98, 136, 154, 203, 207, 245, 262, 291, 323, 340, 362
Offset: 1

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Author

Jonathan Vos Post and Ray Chandler, Dec 31 2004

Keywords

Crossrefs

Cf. A001358, A102120, A102171-A102185, A102200.

Formula

A102120(a(n)) = A102200(n).

Extensions

a(18)-a(20) from Robert Price, Nov 10 2018
Offset changed to 1 and a(21)-a(25) from Jinyuan Wang, Aug 14 2021
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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