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.

A256191 Decimal expansion of Gamma(1/10).

Original entry on oeis.org

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

Views

Author

Iaroslav V. Blagouchine, Mar 19 2015

Keywords

Examples

			9.513507698668731836292487177265402192550578626088377...

Links

Crossrefs

Cf. A175380, A246745, A340721, A340722.
Cf. A340723, A340724, A340725.

Programs

  • Magma
    SetDefaultRealField(RealField(100)); Gamma(1/10); // G. C. Greubel, Mar 10 2018
  • Maple
    evalf(GAMMA(1/10),100);
  • Mathematica
    RealDigits[Gamma[1/10],10,100][[1]]
  • PARI
    gamma(1/10)

Formula

From Vaclav Kotesovec, Apr 10 2024: (Start)
Equals 5^(1/4) * sqrt(1 + sqrt(5)) * Gamma(1/5) * Gamma(2/5) / (2^(7/10) * sqrt(Pi)).
Equals 2^(4/5) * sqrt(Pi) * Gamma(1/5) / Gamma(3/5). (End)

A340722 Decimal expansion of Gamma(4/5).

Original entry on oeis.org

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

Views

Author

R. J. Mathar, Jan 17 2021

Keywords

Examples

			1.164229713725303373636...

Links

Crossrefs

Cf. A019845, A175380, A340721, A340723.

Programs

  • Maple
    evalf(GAMMA(4/5),120) ;
  • Mathematica
    RealDigits[Gamma[4/5], 10, 120][[1]] (* Amiram Eldar, May 29 2023 *)

Formula

this * A175380 = Pi/A019845. [DLMF (5.5.3)]
this * A340723 * 2^(1/10)/sqrt(2*Pi) = A340721. [DLMF (5.5.5)]

A246745 Decimal expansion of Gamma(2/5).

Original entry on oeis.org

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

Views

Author

Jean-François Alcover, Sep 02 2014

Keywords

Examples

			2.21815954375768822305905402190767945077056650177146958224...

Links

Crossrefs

Cf. A175379, A175380 (both constants are mentioned in Finch's Addenda), A340721.

Programs

  • Mathematica
    RealDigits[Gamma[2/5], 10, 103] // First
  • PARI
    gamma(2/5) \\ Michel Marcus, Sep 02 2014

A340723 Decimal expansion of Gamma(3/10).

Original entry on oeis.org

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

Views

Author

R. J. Mathar, Jan 17 2021

Keywords

Examples

			2.991568987687590628312...

Links

Crossrefs

Cf. A019863, A340721, A340722, A340724.

Programs

  • Maple
    evalf(GAMMA(3/10),120) ;
  • Mathematica
    RealDigits[Gamma[3/10], 10, 120][[1]] (* Amiram Eldar, May 29 2023 *)

Formula

this * A340724 = Pi/A019863 [DLMF (5.5.3)]
this * A340722 * 2^(1/10)/sqrt(2*Pi) = A340721. [DLMF (5.5.5)]
Showing 1-4 of 4 results.

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

Content is available under The OEIS End-User License Agreement.