A Heron sequence is an increasing sequence in which every three consecutive terms are the side lengths of a Heron triangle. A Heron triangle is a triangle with integer sides and integer area.
Table of n, a(n) for n=1..9.
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).
Sequence in context: A206232 A075295 A189542 * A100153 A333966 A059461
Adjacent sequences: A134584 A134585 A134586 * A134588 A134589 A134590
Shanzhen Gao, Nov 02 2007