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 1-4 of 4 results.

A019831 Decimal expansion of sine of 22 degrees.

Original entry on oeis.org

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

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Author

N. J. A. Sloane

Keywords

Comments

An algebraic number of degree 12 and denominator 2. - Charles R Greathouse IV, Aug 27 2017

Links

Programs

Formula

Equals 2*A019820*A019888. - R. J. Mathar, Jan 17 2021

A019886 Decimal expansion of sine of 77 degrees.

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane

Keywords

Comments

Equals sin(77*Pi/180). - Wesley Ivan Hurt, Sep 01 2014
An algebraic number of degree 48 and denominator 2. - Charles R Greathouse IV, Nov 06 2017

Examples

			0.974370064785235228539694480088268833005120988944567944597972222...

Links

Programs

Formula

Equals A019875 * A019888 + A019820 * A019833 = A019879 * A019892 + A019816 * A019829. - R. J. Mathar, Jan 27 2021

A019864 Decimal expansion of sine of 55 degrees.

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane

Keywords

Comments

An algebraic number of degree 12 and denominator 2. - Charles R Greathouse IV, Nov 05 2017

Links

Programs

Formula

Equals cos(7*Pi/36) = 2F1(19/24,5/24;1/2;3/4) / 2. - R. J. Mathar, Oct 27 2008
Equals A019853 * A019888 + A019820 * A019855 = A019859 * A019894 + A019814 * A019849. - R. J. Mathar, Jan 27 2021

A019842 Decimal expansion of sine of 33 degrees.

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane

Keywords

Comments

This sequence is also decimal expansion of cosine of 57 degrees. - Mohammad K. Azarian, Jun 29 2013
An algebraic number of degree 16 and denominator 2. - Charles R Greathouse IV, Aug 27 2017

Links

Programs

Formula

Equals A019831 * A019888 + A019820 * A019877 = (1/2) * A019896 + A019812 * A010527. - R. J. Mathar, Jan 27 2021
Showing 1-4 of 4 results.

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

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