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 1-3 of 3 results.

A195782 Decimal expansion of arccot(8).

Original entry on oeis.org

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

Views

Author

Clark Kimberling, Sep 24 2011

Keywords

Examples

			arccot(8)=0.124354994546761435031354849163871025573170...

Links

Crossrefs

Cf. A195781.

Programs

Formula

Equals Integral_{x = 0..inf} exp(-8*x)*sin(x)/x dx. - Peter Bala, Nov 05 2019
Equals arctan(1/8) = arcsin(1/sqrt(65)) = arccos(8/sqrt(65)). - Amiram Eldar, May 24 2021

A195783 Decimal expansion of arcsec(8).

Original entry on oeis.org

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

Views

Author

Clark Kimberling, Sep 24 2011

Keywords

Examples

			arcsec(8)=1.44546849562683122235675470528266672405043697284888...

Links

Crossrefs

Cf. A195781, A195784.

Programs

Formula

From Amiram Eldar, May 30 2021: (Start)
Equals Pi/2 - A195784.
Equals arcsin(3*sqrt(7)/8) = arccos(1/8) = arctan(3*sqrt(7)). (End)

A195784 Decimal expansion of arccsc(8).

Original entry on oeis.org

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

Views

Author

Clark Kimberling, Sep 24 2011

Keywords

Examples

			arccsc(8)=0.1253278311680653968745669863570847180481477...

Links

Crossrefs

Cf. A195781, A195783.

Programs

Formula

From Amiram Eldar, May 30 2021: (Start)
Equals Pi/2 - A195783.
Equals arcsin(1/8) = arccos(3*sqrt(7)/8) = arctan(1/(3*sqrt(7))). (End)
Showing 1-3 of 3 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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