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.

A101755 Indices of highly composite triangular numbers.

Original entry on oeis.org

1, 2, 3, 7, 8, 15, 24, 32, 35, 63, 80, 104, 224, 384, 560, 935, 1224, 1664, 1728, 2015, 2079, 5984, 12375, 14399, 21735, 41040, 78624, 98175, 123200, 126224, 165375, 201824, 313599, 395199, 453375, 1056159, 1154439, 1324224, 1890944, 2203200, 2756159, 6969599
Offset: 1

Views

Author

Ray Chandler, Dec 22 2004

Keywords

Crossrefs

Programs

  • PARI
    r=0;for(n=1,1e7,t=if(n%2,numdiv(n)*numdiv((n+1)/2),numdiv(n/2)*numdiv(n+1));if(t>r,r=t;print1(n", "))) \\ Charles R Greathouse IV, Feb 01 2013

Formula

A000217(a(n)) = A076711(n).