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.

A028581 Quotients associated with A024011.

Original entry on oeis.org

1, 2, 9, 15001, 10736033, 731778483019656
Offset: 1

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Programs

  • Mathematica
    lst={}; s=0; Do[p=Prime[n]; s=s+p; r=s/p; If[r==IntegerPart[r], AppendTo[lst, r]], {n, 1, 10^6}]; lst (* Vladimir Joseph Stephan Orlovsky, Aug 07 2008 *)

Extensions

a(5) from Kok Seng Chua (chuaks(AT)ihpc.nus.edu.sg), May 14 2000
a(6) from Paul W. Dyson, Apr 16 2022