A140391 Pythagorean triangle side lengths triples with two lengths prime.

4, 3, 5, 12, 5, 13, 60, 11, 61, 180, 19, 181, 420, 29, 421, 1740, 59, 1741, 1860, 61, 1861, 2520, 71, 2521, 3120, 79, 3121, 5100, 101, 5101, 8580, 131, 8581, 9660, 139, 9661, 16380, 181, 16381, 19800, 199, 19801, 36720, 271, 36721, 60900, 349, 60901, 71820

Offset: 1

Author

Juri-Stepan Gerasimov, Jun 13 2008

Keywords

• nonn
• less

Comments

Or: consecutive triples of x=A067755(j), y=A048161(j), z=A067756(j), j>=1.

Examples

			Contains (x,y,z) = (4,3,5) with 4^2+3^2=5^2 and 3 and 5 prime, then (12,5,13) with 12^5+5^2=13^2 and 5 and 13 prime, then (60,11,61) with 60^2+11^2=61^2 etc. x^2+y^2=z^2
		

Extensions

Edited and extended by R. J. Mathar, Jun 17 2008