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 1-2 of 2 results.

A080990 Ratios of successive terms of A080988.

Original entry on oeis.org

5, 23, 497, 235457, 53392510817, 2766001621753572646817, 7464467658097380439898886826586276934412577, 54590148152787377961058637956673631049748025019190698768473358337478050935712219773217
Offset: 1

Views

Author

Hugo Pfoertner, Feb 26 2003

Keywords

Crossrefs

Cf. A080988, A080581, A080986.

A080989 Define b by b(1) = 1 and for n>1, b(n) = b(n-1)+1/(3+1/b(n-1)); sequence gives denominator of b(n).

Original entry on oeis.org

1, 4, 76, 31996, 6509938156, 305202648617286353116, 751042364315893065602546739334386372522316, 5042066805299767273773988103135929366654804375467223444639109745553463308647365564476
Offset: 1

Views

Author

Hugo Pfoertner, Feb 26 2003

Keywords

Comments

Suggested by Leroy Quet, Feb 26 2003.

Examples

			See under A080988.

Crossrefs

Cf. A080988, A080990, A080991, A079269, A079278.

Programs

  • Mathematica
    NestList[#+1/(3+1/#)&,1,10]//Denominator (* Harvey P. Dale, Apr 19 2023 *)

Formula

See under A080988.
Showing 1-2 of 2 results.

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

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