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.

A063941 a(n) = 17*39^n.

Original entry on oeis.org

17, 663, 25857, 1008423, 39328497, 1533811383, 59818643937, 2332927113543, 90984157428177, 3548382139698903, 138386903448257217, 5397089234482031463, 210486480144799227057, 8208972725647169855223, 320149936300239624353697, 12485847515709345349794183
Offset: 0

Views

Author

Deborah Florez (deborahf(AT)bcn.net), Sep 01 2001

Keywords

References

  • Mervine Edwards and Siegfried Haenisch, New Views in Algebra, 1: An Integrated Approach, Educational Design, Inc, 1999 (ISBN #0-87694-578-7); p. 9, #16.

Crossrefs

Cf. A009983.

Programs

  • Maple
    for n from 0 to 30 do printf(`%d,`, 17*39^n) od;
  • Mathematica
    NestList[39*# &, 17, 20] (* Paolo Xausa, Jul 03 2025 *)
  • PARI
    a(n) = { 17*39^n } \\ Harry J. Smith, Sep 03 2009

Formula

From Philippe Deléham, Nov 24 2008: (Start)
a(n) = 39*a(n-1), n > 0; a(0)=17.
G.f.: 17/(1-39*x).
a(n) = 17*A009983(n). (End)
E.g.f.: 17*exp(39*x). - Elmo R. Oliveira, Jul 09 2025

Extensions

Better description from Brian Galebach, Sep 05 2001
More terms from James Sellers, Sep 25 2001