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.

A292107 Decimal expansion of the number whose continued fraction expansion is A292106.

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane, Sep 14 2017

Keywords

Comments

Another version of the "e*Pi" constant (cf. A292101).

Examples

			6.142201763093026412559465106457...
		

Crossrefs

Programs

  • Mathematica
    With[{nmax=100},First[RealDigits[FromContinuedFraction[ContinuedFraction[E,nmax]ContinuedFraction[Pi,nmax]],10,nmax]]] (* Paolo Xausa, Oct 23 2023 *)

Extensions

More digits from Alois P. Heinz, Sep 14 2017

A073177 (n-th digit of Pi) times (n-th digit of e).

Original entry on oeis.org

6, 7, 4, 8, 10, 72, 2, 48, 10, 24, 20, 40, 81, 0, 36, 15, 4, 9, 40, 12, 36, 0, 12, 32, 21, 12, 56, 3, 6, 35, 18, 30, 0, 4, 32, 72, 28, 7, 45, 49, 2, 24, 63, 0, 81, 27, 18, 63, 45, 9, 0, 45, 40, 14, 0, 81, 42, 24, 81, 24, 28, 30, 18, 14, 21, 0, 28, 0, 7, 36, 24, 0, 0, 6, 40, 18, 10, 0
Offset: 0

Views

Author

Y. Kelly Itakura (yitkr(AT)mta.ca), Aug 22 2002

Keywords

Examples

			Pi=3.141592... e =2.718281... so we have a(0)=3*2=6, a(1)=1*7=7, a(2)=4*1=4...
		

Crossrefs

Programs

  • Mathematica
    With[{pi=RealDigits[Pi,10,100][[1]],e=RealDigits[E,10,100][[1]]}, pi e] (* Harvey P. Dale, Oct 15 2011 *)

Extensions

More terms from Lambert Klasen (lambert.klasen(AT)gmx.de), Dec 27 2004

A291854 Decimal expansion of the "Pi AND e" (Piande) constant.

Original entry on oeis.org

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

Views

Author

Alois P. Heinz, Sep 13 2017

Keywords

Comments

Pi_2 = 11.00100100001111110... -> 3.1415926535897...
e_2 = 10.10110111111000010... -> 2.7182818284590...
Pi_2 AND e_2 = 10.00100100001000010... -> 2.1411323548533...

Examples

			2.1411323548533155483334288212398570571182864149673143672536880794...
		

Crossrefs

Formula

A291858 Decimal expansion of the "Pi OR e" (Piore) constant.

Original entry on oeis.org

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

Views

Author

Alois P. Heinz, Sep 13 2017

Keywords

Comments

Pi_2 = 11.00100100001111110... -> 3.1415926535897...
e_2 = 10.10110111111000010... -> 2.7182818284590...
Pi_2 OR e_2 = 11.10110111111111110... -> 3.7187421271955...

Examples

			3.71874212719552292548950203339230832483613007810775102868822414063...
		

Crossrefs

Formula

Showing 1-4 of 4 results.