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.

A134588 A modified Heron sequence starting from 1, 2.

Original entry on oeis.org

1, 2, 3, 10, 27, 98, 120, 327, 196745, 277248, 312987, 405769, 456300, 575532, 702219
Offset: 1

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Author

Shanzhen Gao, Nov 02 2007

Keywords

Comments

A modified Heron sequence is an increasing sequence such that every three consecutive terms (say u, v, w) of which determine a Heron triangle by using u+v, u+w and v+w as three sizes. A Heron triangle is a triangle with integer sides and integer area.
Given u

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.

Extensions

a(9)-a(15) from Rémy Sigrist, Jun 03 2019

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

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