A238239 Decimal expansion of the polar angle, in degrees, of a cone which makes a golden-ratio cut of the full solid angle.

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

Offset

2,1

Comments

See A238238 which is the equivalent of this constant in radians.

Links

Stanislav Sykora, Table of n, a(n) for n = 2..2000

Wikipedia, Solid angle.

Formula

Equals (180/Pi)*A238238.

Example

76.345415254024494986936602665700470228665329380338425539942733615...

Mathematica

RealDigits[ArcCos[2/GoldenRatio-1]*180/Pi, 10, 120][[1]] (* Amiram Eldar, Jun 06 2023 *)

Prog

(PARI) acos(4/(1+sqrt(5))-1)*180/Pi

Crossrefs

Cf. A001622, A238238.

Sequence in context: A021135 A198374 A225450 * A199437 A021571 A013675

Adjacent sequences: A238236 A238237 A238238 * A238240 A238241 A238242

Keyword

nonn,cons,easy

Author

Stanislav Sykora, Feb 20 2014

Status

approved