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.

Previous Showing 11-18 of 18 results.

A019830 Decimal expansion of sine of 21 degrees.

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane

Keywords

Links

Crossrefs

Cf. A019812, A019816, A019823, A019827, A019881, A019892, A019885, A019896.

Programs

Formula

Equals A019823*A019892 + A019816*A019885 = A019827*A019896 + A019812*A019881. - R. J. Mathar, Jan 27 2021

A019860 Decimal expansion of sine of 51 degrees.

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane

Keywords

Comments

An algebraic number of degree 16 and denominator 2. - Charles R Greathouse IV, Nov 05 2017

Links

Programs

Formula

Equals A019843 * A019882 + A019826 * A019865 = A019857 * A019896 + A019812 * A019851. - R. J. Mathar, Jan 27 2021

A019866 Decimal expansion of sine of 57 degrees.

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane

Keywords

Comments

An algebraic number of degree 16 and denominator 2. - Charles R Greathouse IV, Nov 05 2017

Links

Programs

Formula

Equals A019847 * A019880 + A019828 * A019861 = A019863 * A019896 + A019812 * A019845. - R. J. Mathar, Jan 27 2021

A280188 Base-60 (Babylonian or sexagesimal) expansion of sine of 1 degree.

Original entry on oeis.org

1, 2, 49, 43, 11, 14, 44, 16, 26, 18, 28, 49, 20, 26, 50, 41, 13, 6, 46, 25, 26, 26, 34, 6, 40, 18, 50, 31, 6, 35, 20, 44, 6, 39, 18, 5, 38, 58, 2, 0, 5, 4, 33, 59, 11, 35, 33, 50, 34, 7, 56, 43, 38, 30, 15, 49, 36, 42, 6, 43, 10, 38, 45, 53, 15, 59, 7, 19, 46
Offset: 1

Views

Author

Mohammad K. Azarian, Dec 28 2016

Keywords

Comments

The Fifteenth Century Persian mathematician Jamshid Al-Kashi was the first to calculate the value of sine of one degree correct to ten sexagesimal places (17 decimal digits) in his Risala al-Watar wa'l Jaib.

Links

Crossrefs

Cf. A019810, A019812, A049469, A110937, A280189.

Programs

  • Mathematica
    RealDigits[Sin[1 Degree], 60, 200][[1]]

Extensions

More terms from Jon E. Schoenfield, Jan 13 2017

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

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

N. J. A. Sloane

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

Links

Crossrefs

Cf. A019812, A019822, A019835, A019845, A019886, A019873, A019896, A019863.

Programs

Formula

Equals A019835*A019886 + A019822*A019873 = A019845*A019896 + A019812*A019863. - R. J. Mathar, Jan 27 2021

A280189 Version of sexagesimal expansion of sine of one degree given by the Persian mathematician Al-Kashi in the 15th Century.

Original entry on oeis.org

1, 2, 49, 43, 11, 14, 44, 16, 26, 17
Offset: 1

Views

Author

Mohammad K. Azarian, Dec 28 2016

Keywords

Comments

The fifteenth century Persian mathematician Jamshid Al-Kashi was the first to calculate the value of sine of one degree correct to ten sexagesimal places (17 decimal digits) in his Risala al-Watar wa'l Jaib.

Links

Crossrefs

Cf. A019810, A019812, A049469, A110937, A280188.

A280190 Base-60 (Babylonian or sexagesimal) expansion of sine of 3 degrees.

Original entry on oeis.org

3, 8, 24, 33, 59, 34, 28, 14, 50, 5, 28, 29, 38, 47, 51, 57, 24, 25, 56, 50, 24, 30, 4, 12, 1, 50, 22, 37, 14, 19, 57, 37, 6, 18, 54, 32, 55, 20, 41, 45, 16, 27, 55, 52, 52, 7, 9, 20, 25, 8, 58, 18, 22, 58, 32, 34, 3, 2, 15, 27, 36, 33, 23, 19, 12, 48, 0, 33, 42, 3, 6, 1, 37, 1, 19, 21, 55, 46, 56
Offset: 1

Views

Author

Mohammad K. Azarian, Jan 14 2017

Keywords

Comments

The Fifteenth Century Persian mathematician Jamshid Al-Kashi was the first to calculate the value of sine of one degree correct to ten sexagesimal places (17 decimal digits) from sine of 3 degrees in his Risala al-Watar wa'l Jaib.

Links

Crossrefs

Cf. A019810, A019812, A049469, A110937, A280188, A280189.

Programs

  • Mathematica
    RealDigits[Sin[3 Degrees], 60, 200][[1]]
Previous Showing 11-18 of 18 results.

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

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