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.

Showing 1-2 of 2 results.

A134589 A modified Heron sequence starting from 1,3.

Original entry on oeis.org

1, 3, 12, 49, 108, 243, 624, 1681, 5616, 47628, 49300, 27361200, 29949750, 920048500, 1054364310, 1278524208, 9992125972
Offset: 1

Views

Author

Shanzhen Gao, Nov 02 2007

Keywords

Links

  • Paul Yiu, K. R. S. Sastry and Shanzhen Gao, Heron Sequences, presented on the 2007 Integers Conference and INTEGERS - Electronic Journal of Combinatorial Number Theory, Article 16 Volume 9 Supplement (2009).

Crossrefs

Cf. A134587, A134588.

Extensions

a(8)-a(17) from Rémy Sigrist, Jun 03 2019

A134590 A modified Heron sequence starting from 2,5.

Original entry on oeis.org

2, 5, 63, 112, 140, 315, 364, 1261, 3025260, 3730654144, 5513566500, 28558451740
Offset: 1

Views

Author

Shanzhen Gao, Nov 02 2007

Keywords

Links

  • Paul Yiu, K. R. S. Sastry, Shanzhen Gao, Heron sequences and their modifications.
  • Paul Yiu, K. R. S. Sastry and Shanzhen Gao, Heron Sequences, presented on the 2007 Integers Conference and INTEGERS - Electronic Journal of Combinatorial Number Theory, Article 16 Volume 9 Supplement (2009).

Crossrefs

Cf. A134587, A134588, A134589.

Extensions

a(8)-a(12) from Rémy Sigrist, Jun 03 2019
Showing 1-2 of 2 results.

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

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