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.

A347407 Decimal expansion of Sum_{i>=1} of i/Pi^i.

Original entry on oeis.org

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

Views

Author

Christoph B. Kassir, Aug 30 2021

Keywords

Examples

			0.684977231531558172713446096930765618100063823640134883981...
		

Crossrefs

Programs

  • Mathematica
    RealDigits[Pi/(Pi - 1)^2, 10, 100][[1]] (* Amiram Eldar, Aug 30 2021 *)
  • PARI
    suminf(i=1, i/Pi^i) \\ Michel Marcus, Aug 30 2021

Formula

Equals Pi/(Pi-1)^2. - Vaclav Kotesovec, Aug 30 2021
Equals 1/(A098801 - 2). - Amiram Eldar, Aug 30 2021