A061360 Decimal expansion of e/Pi.

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

Offset: 0

Author

Jason Earls, Jun 07 2001

Keywords

• cons
• nonn

Examples

			0.86525597943226508721777478964608961742874...
		

Links

• Harry J. Smith, Table of n, a(n) for n = 0..20000

Crossrefs

Cf. A000796, A001113, A007526, A061382.

Programs

Mathematica

RealDigits[N[E/Pi,200]] (* Vladimir Joseph Stephan Orlovsky, May 27 2010 *)
RealDigits[E/Pi,10,120][[1]] (* Harvey P. Dale, Sep 29 2023 *)

PARI

{ default(realprecision, 20080); x=10*exp(1)/Pi; for (n=0, 20000, d=floor(x); x=(x-d)*10; write("b061360.txt", n, " ", d)); } \\ Harry J. Smith, Jul 21 2009

Formula

Equals -1 + Product_{n>=0} (1 + 1/(A007526(n) + n!*Pi)). - David Ulgenes, Sep 21 2023

Extensions

Edited by N. J. A. Sloane, Sep 18 2008 at the suggestion of R. J. Mathar