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.

A174548 Decimal expansion of e - 1/e.

Original entry on oeis.org

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

Views

Author

Paul Curtz, Mar 22 2010

Keywords

Examples

			2.3504023872876029137647637...
		

Crossrefs

Cf. A001113 (e), A068985 (1/e), and A137204 (e + 1/e), A073742 (sinh(1)).

Programs

  • Maple
    evalf(exp(1)-exp(-1)) ; # R. J. Mathar, Oct 14 2011
  • Mathematica
    RealDigits[E - 1/E, 10, 111][[1]]
  • PARI
    exp(1) - exp(-1) \\ Michel Marcus, May 05 2019

Formula

Equals 2 * sinh(1) = 2 * A073742. - Amiram Eldar, Nov 25 2020

Extensions

Edited and extended by Robert G. Wilson v, Apr 25 2010