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.

A117853 Decimal expansion of 2^30402457-1, the 43th Mersenne prime A000668(43).

Original entry on oeis.org

3, 1, 5, 4, 1, 6, 4, 7, 5, 6, 1, 8, 8, 4, 6, 0, 8, 0, 9, 3, 6, 3, 0, 3, 0, 2, 8, 6, 6, 4, 5, 4, 5, 1, 7, 0, 1, 2, 6, 5, 1, 9, 6, 5, 6, 2, 6, 2, 3, 2, 3, 8, 7, 0, 3, 1, 6, 3, 2, 3, 7, 1, 0, 7, 9, 5, 1, 3, 5, 3, 8, 7, 4, 4, 9, 0, 0, 6, 9, 3, 4, 6, 2, 0, 9, 4, 3, 8, 6, 2, 9, 4, 7, 5, 1, 7, 0, 2, 9, 6, 6, 3, 6, 2, 3
Offset: 9152052

Views

Author

Jacob Vecht, May 02 2006

Keywords

Comments

The decimal expansion of 2^30402457-1. This is the 43rd known Mersenne prime, found at Dec 15, 2005 by the GIMPS project / Curtis Cooper and Steven Boone. The number has 9152052 digits; as a string, it occupies 9.24 MB.

Examples

			A000668(43) = 3154164756188460809363030286645451701265196562623...7411652943871.
		

Crossrefs

Cf. A000043 (Mersenne exponents), A000668.

Programs

  • Mathematica
    RealDigits[10^N[30402457Log[10, 2] - 9152051, 111]][[1]]

Extensions

Edited by Georg Fischer, Jul 19 2021