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.

A298242 Decimal expansion of BesselI(1,1/2)/BesselI(0,1/2).

Original entry on oeis.org

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

Views

Author

Ilya Gutkovskiy, Jan 15 2018

Keywords

Examples

			0.2424996125808019453507023535036354074122660448659455966...
		

Crossrefs

Programs

  • Mathematica
    RealDigits[BesselI[1, 1/2]/BesselI[0, 1/2], 10, 110] [[1]]
    RealDigits[Hypergeometric0F1[2, (1/2)^2/4]/(4 Gamma[2] Hypergeometric0F1[1, (1/2)^2/4]), 10, 110][[1]]
  • PARI
    besseli(1,1/2)/besseli(0,1/2) \\ Michel Marcus, Jul 03 2018

Formula

Equals 1/(4 + 1/(8 + 1/(12 + 1/(16 + 1/(20 + 1/(24 + ...)))))).

A298241 Decimal expansion of BesselI(1,2/3)/BesselI(0,2/3).

Original entry on oeis.org

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

Views

Author

Ilya Gutkovskiy, Jan 15 2018

Keywords

Examples

			0.3160892412682211840956016917105181147668629270070418207...
		

Crossrefs

Programs

  • Mathematica
    RealDigits[BesselI[1, 2/3]/BesselI[0, 2/3], 10, 110] [[1]]
    RealDigits[Hypergeometric0F1[2, (2/3)^2/4] /(3 Gamma[2] Hypergeometric0F1[1, (2/3)^2/4]), 10, 110][[1]]
  • PARI
    besseli(1,2/3)/besseli(0,2/3) \\ Michel Marcus, Jul 03 2018

Formula

Equals 1/(3 + 1/(6 + 1/(9 + 1/(12 + 1/(15 + 1/(18 + ...)))))).

A308743 Decimal expansion of BesselI(1/5,2/5)/BesselI(-4/5,2/5).

Original entry on oeis.org

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

Views

Author

Ilya Gutkovskiy, Jun 21 2019

Keywords

Examples

			0.858964173516036374075328952007099194273985...
		

Crossrefs

Cf. A016861 (continued fraction), A298243, A308739, A308740, A308741, A308742, A308744.

Programs

  • Mathematica
    RealDigits[BesselI[1/5, 2/5]/BesselI[-4/5, 2/5], 10, 110] [[1]]
  • PARI
    besseli(1/5,2/5)/besseli(-4/5,2/5) \\ Charles R Greathouse IV, Oct 23 2023

Formula

Equals 1/(1 + 1/(6 + 1/(11 + 1/(16 + 1/(21 + 1/(26 + 1/(31 + 1/(36 + 1/(41 + 1/(46 + ...)))))))))).

A308744 Decimal expansion of BesselI(4/5,2/5)/BesselI(-1/5,2/5).

Original entry on oeis.org

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

Views

Author

Ilya Gutkovskiy, Jun 21 2019

Keywords

Examples

			0.243294827139166639772995236321092015464991132...
		

Crossrefs

Cf. A016897 (continued fraction), A298243, A308739, A308740, A308741, A308742, A308743.

Programs

  • Mathematica
    RealDigits[BesselI[4/5, 2/5]/BesselI[-1/5, 2/5], 10, 110] [[1]]
  • PARI
    besseli(4/5,2/5)/besseli(-1/5,2/5) \\ Charles R Greathouse IV, Oct 23 2023

Formula

Equals 1/(4 + 1/(9 + 1/(14 + 1/(19 + 1/(24 + 1/(29 + 1/(34 + 1/(39 + 1/(44 + 1/(49 + ...)))))))))).
Showing 1-4 of 4 results.