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.

A019874 Decimal expansion of sine of 65 degrees.

Original entry on oeis.org

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

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Author

Keywords

Comments

An algebraic number of degree 12 and denominator 2. - Charles R Greathouse IV, Nov 06 2017

Programs

Formula

Equals cos(5*Pi/36) = 2F1(17/24,7/24;1/2;3/4) / 2. - R. J. Mathar, Oct 27 2008
Equals A019861 * A019886 + A019822 * A019847 = A010527 * A019894 + A019814*(1/2). - R. J. Mathar, Jan 27 2021

A019835 Decimal expansion of sine of 26 degrees.

Original entry on oeis.org

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

Views

Author

Keywords

Comments

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

Examples

			0.43837114...
		

Programs

Formula

Equals 2*A019822*A019886. - R. J. Mathar, Jan 17 2021

A019848 Decimal expansion of sine of 39 degrees.

Original entry on oeis.org

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

Views

Author

Keywords

Comments

This sequence is also decimal expansion of cosine of 51 degrees. - Mohammad K. Azarian, Jun 29 2013
An algebraic number of degree 16 and denominator 2. - Charles R Greathouse IV, Nov 05 2017

Crossrefs

Programs

Formula

Showing 1-3 of 3 results.