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.

Showing 1-1 of 1 results.

A380795 Decimal expansion of the smallest acute vertex angles, in radians, in a pentakis dodecahedron face.

Original entry on oeis.org

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

Views

Author

Paolo Xausa, Feb 04 2025

Keywords

Comments

A pentakis dodecahedron face is an acute isoscele triangle with the smallest angles being this constant and the largest angle being A380796.

Examples

			0.97198502241670672469065747671869944918763790417527...
		

Crossrefs

Programs

  • Mathematica
    First[RealDigits[ArcCos[(5 - GoldenRatio)/6], 10, 100]]

Formula

Equals arccos((5 - A001622)/6).
Equals (Pi - A380796)/2.
Showing 1-1 of 1 results.