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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A208363 "3-ply" palindromic primes.

Original entry on oeis.org

10000500001, 10000900001, 10001610001, 10002220001, 10002520001, 10003630001, 10006560001, 10008180001, 10009290001, 10013031001, 10013131001, 10014741001, 10016961001, 10021512001
Offset: 1

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Author

Alvin Hoover Belt, Feb 25 2012

Keywords

Comments

From the Ribenboim book: palindromic primes whose length is a palindromic prime whose length is a palindromic prime whose length is NOT a palindromic prime.

Examples

			a(42042) = 99999199999, a(42043) = 10^100 + 3030*10^48 + 1. [_Charles R Greathouse IV_, Feb 26 2012]

References

  • Paulo Ribenboim, The New Book of Prime Number Records, Springer-Verlag New York Inc., 1996, pages 160-161.

Links

Crossrefs

Cf. A002385, A208362 (number of digits of these numbers).
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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