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.

A094427 Terms of A094302 which are not squarefree, without repetition.

Original entry on oeis.org

38225, 275, 76725, 15345, 691225, 480051, 37947843, 325211285, 65042257, 1805570819, 3477490925, 17504957025, 5834985675, 17582877081, 45778125899, 131914344771, 43971448257, 1073579479975, 1579005333125, 315801066625
Offset: 1

Views

Author

Klaus Brockhaus, May 02 2004

Keywords

Crossrefs

Programs

  • PARI
    {q=1;s=Set(q);for(n=2,2000000,q=if(n>q,q*n,q/gcd(q,n)); if(setsearch(s,q)==0,s=setunion(s,Set(q));if(!issquarefree(q),print1(q,","))))}