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.

A380109 Decimal expansion of 223/71.

Original entry on oeis.org

3, 1, 4, 0, 8, 4, 5, 0, 7, 0, 4, 2, 2, 5, 3, 5, 2, 1, 1, 2, 6, 7, 6, 0, 5, 6, 3, 3, 8, 0, 2, 8, 1, 6, 9, 0, 1, 4, 0, 8, 4, 5, 0, 7, 0, 4, 2, 2, 5, 3, 5, 2, 1, 1, 2, 6, 7, 6, 0, 5, 6, 3, 3, 8, 0, 2, 8, 1, 6, 9, 0, 1, 4, 0, 8, 4, 5, 0, 7, 0, 4, 2, 2, 5, 3, 5, 2, 1, 1, 2, 6, 7, 6, 0, 5, 6, 3, 3, 8, 0
Offset: 1

Views

Author

Stefano Spezia, Jan 12 2025

Keywords

Comments

This constant is a lesser limit to the value of Pi calculated by Archimedes considering 96-gons.
Apart from the first digit the same as A021075. - R. J. Mathar, Jan 17 2025

Examples

			3.1408450704225352112676056338028169014084507042...
		

References

  • Jan Gullberg, Mathematics from the Birth of Numbers, W. W. Norton & Co., NY & London, 1997, §3.6 The Quest for Pi and §13.3 Solving Triangles, pp. 90, 479.

Crossrefs

Cf. A000796, A021075, A068028 (greater limit).

Programs

  • Mathematica
    RealDigits[3+10/71,10,100][[1]]

Formula

Equals 3 + 10/71.