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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A081876 a(n) is the starting position of the second occurrence of a string of the initial n decimal digits of Pi in the decimal expansion of Pi.

Original entry on oeis.org

9, 137, 2120, 3496, 88008, 176451, 25198140, 50366472, 1660042751, 7902183159, 260816757309, 1142905318634, 17475119650043, 43420162171515
Offset: 1

Views

Author

Harry J. Smith, Apr 12 2003

Keywords

Comments

The digits 3 1 4 1 5 ... are labeled 0, 1, 2, 3, 4, ...
a(9) > 10^8. - Robert G. Wilson v, May 09 2003
a(15) > 50*10^12. - Dmitry Petukhov, Oct 27 2021

References

  • Alfred S. Posamentier & Ingmar Lehmann, A Biography of the World's Most Mysterious Number, Prometheus Books, Amherst, NY 2004, page 134.

Crossrefs

Extensions

a(9) from Felix Fröhlich, Oct 04 2016
a(10)-a(11) from Andreas Stiller, Apr 08 2019
a(12) from Robert G. Wilson v, Oct 21 2004
a(13) from Dmitry Petukhov, Jan 27 2020
a(14) from Dmitry Petukhov, Oct 27 2021
Showing 1-1 of 1 results.