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.

A068134 Index of the smallest triangular number with digit sum = n-th triangular number.

Original entry on oeis.org

0, 1, 2, 3, 7, 12, 56, 109, 368, 1332, 5656, 28248, 140547, 774325, 8485151, 34339452, 397492132, 3996973827, 63229707890, 1039037824132, 10853561442116, 305279835527631, 4240235842471234, 117388244641426491, 3997445934568646292, 99999889989926488708
Offset: 0

Views

Author

Amarnath Murthy, Feb 21 2002

Keywords

Crossrefs

Cf. A068133.

Extensions

More terms from Larry Reeves (larryr(AT)acm.org), Jun 17 2002
a(18)-a(19) from Max Alekseyev, Jun 19 2011
a(0)=0 inserted by Sean A. Irvine, Jan 29 2024
a(20)-a(25) from Max Alekseyev, May 25 2025

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

Content is available under The OEIS End-User License Agreement.