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.

A100121 Limit of the power tower t(2)^(t(3)^(t(5)^(t(7)^(...)))) with t(n)=n^(1/n) and n taking prime values.

Original entry on oeis.org

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

Views

Author

Mark Hudson (mrmarkhudson(AT)hotmail.com), Nov 09 2004

Keywords

Examples

			1.860209411455606562291731976208218624738989898760358655771983008766617465111786158281186987279759999...

Crossrefs

Cf. A100120, A098454, A098584 and references in these.

Programs

  • PARI
    default(realprecision,100):t=1:forstep(n=100,1,-1,t=(prime(n)^(1/prime(n)))^t):return(t)

Extensions

Offset corrected by R. J. Mathar, Feb 05 2009

A100122 Decimal expansion of limit of a power tower: t(2)^(t(3)^(t(5)^(t(7)^(...)))) where t(n)=n^(1/n!) and n takes on consecutive prime values.

Original entry on oeis.org

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

Views

Author

Mark Hudson (mrmarkhudson(AT)hotmail.com), Nov 11 2004

Keywords

Examples

			1.51777236621527539974336733518696232656078998394634974693655404380054409...

Crossrefs

Other power towers: A098454, A098584, A100120, A100121.

Programs

  • PARI
    default(realprecision,100); t=0; forstep(n=100,1,-1,t=(prime(n)^(1/prime(n)!))^t); return(t)

A100123 Decimal expansion of limit of a power tower: t(2)^(t(3)^(t(4)^(t(5)^(...)))) where t(n)=n!^(1/n!) and n takes on consecutive integer values >=2.

Original entry on oeis.org

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

Views

Author

Mark Hudson (mrmarkhudson(AT)hotmail.com), Nov 11 2004

Keywords

Examples

			1.629490299522807769347950101957958648160014570676713793460996207420668328...

Crossrefs

Cf. A098454, A098584, A100120, A100121, A100122.

Programs

  • PARI
    default(realprecision,100):t=0:forstep(n=100,2,-1,t=(n!^(1/n!))^t):return(t)
Showing 1-3 of 3 results.

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

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