A360700 Decimal expansion of arcsec(Pi).

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

1,2

Links

Table of n, a(n) for n=1..105.

Michael I. Shamos, A catalog of the real numbers (2011).

Formula

Equals Pi/2 - arccsc(Pi).

Equals arcsin(sqrt(1 - 1/Pi^2)).

Equals arctan(sqrt(Pi^2 - 1)).

Equals |arcsech(Pi)|.

Equals arccos(1/Pi).

Example

1.246850219862915899250368861010977606425828574215431584950410917894...

Mathematica

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

Crossrefs

Cf. A232272, A232273, A360701.

Sequence in context: A115425 A116418 A366637 * A122640 A326352 A299479

Adjacent sequences: A360697 A360698 A360699 * A360701 A360702 A360703

Keyword

cons,nonn

Author

Wolfe Padawer, Feb 16 2023

Status

approved