A120129 Longest side common to more than one primitive Heronian triangle.

13, 15, 17, 20, 21, 25, 26, 29, 30, 35, 37, 39, 40, 41, 44, 48, 50, 51, 52, 53, 55, 56, 58, 61, 65, 66, 68, 70, 73, 74, 75, 77, 80, 82, 85, 87, 88, 89, 90, 91, 92, 95, 96, 97, 100, 101, 104, 105, 109, 111, 113, 115, 116, 117, 119, 120, 123, 125, 130, 132, 136, 137, 140, 143

Offset: 1

Author

Lekraj Beedassy, Jun 10 2006

Keywords

• nonn

Links

• Ray Chandler, Table of n, a(n) for n = 1..10000
• Michael Somos, Heronian Triangle Table
• P. Yiu, Heronian triangles with sides < 100, Recreational Mathematics, Appendix Chap. 9.3 pp. 81/360. (This is a download of 360 pages.)

Crossrefs

Cf. A120131.

Extensions

Missing term 117 added by Ray Chandler, Jan 07 2020