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.

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A360700 Decimal expansion of arcsec(Pi).

Original entry on oeis.org

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

Views

Author

Wolfe Padawer, Feb 16 2023

Keywords

Examples

			1.246850219862915899250368861010977606425828574215431584950410917894...
		

Crossrefs

Programs

  • Mathematica
    RealDigits[ArcSec[Pi], 10, 105][[1]]

Formula

Equals Pi/2 - arccsc(Pi) = Pi/2 - A360701.
Equals arcsin(sqrt(1 - 1/Pi^2)).
Equals arctan(sqrt(Pi^2 - 1)).
Equals |arcsech(Pi)|.
Equals arccos(1/Pi).
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