A094881 Decimal expansion of Pi/phi, where phi = (1+sqrt(5))/2.

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

Offset: 1

Author

N. J. A. Sloane, Jun 15 2004

Keywords

• cons
• nonn

Comments

The area of a golden ellipse with a semi-major axis 1 and a minor semi-axis 1/phi. - Amiram Eldar, Jul 05 2020

Examples

			1.941611038725466577...
		

Links

• Ivan Panchenko, Table of n, a(n) for n = 1..1000
• Index entries for transcendental numbers

Crossrefs

Cf. A000796, A001622, A094886.

Programs

Mathematica

RealDigits[Pi/GoldenRatio,10,120][[1]] (* Harvey P. Dale, Jul 23 2013 *)

PARI

2*Pi/(sqrt(5)+1) \\ Charles R Greathouse IV, Sep 28 2022

Formula

Equals Gamma(3/10)*Gamma(7/10)/2. - Andrea Pinos, Jul 05 2023