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Composite hypotenuses of primitive Pythagorean triangles (A120961) that are not circumdiameters of non-Pythagorean primitive Heronian triangles (A285579).
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%I #43 Dec 04 2019 14:58:50

%S 1073,1537,1961,3277,4181,5713,7289,7373,8633,9193,9773,10001,10397,

%T 11729,13837,14393,14837,14893,15397,16153,16781,17777,17861,19517,

%U 20513,20609,20617,20737,21053,21253,21473,21953,22601,23141,23393

%N Composite hypotenuses of primitive Pythagorean triangles (A120961) that are not circumdiameters of non-Pythagorean primitive Heronian triangles (A285579).

%C Inspired by comments from _Frank M Jackson_ in A285579.

%C All of the 1378 terms in the b-file are the product of two distinct Pythagorean primes.

%H Ray Chandler, <a href="/A329148/b329148.txt">Table of n, a(n) for n = 1..1378</a> (terms < 6*10^6, computed using files from Kurz link)

%H Sascha Kurz, <a href="http://www.wm-archive.uni-bayreuth.de/index.php?id=554&amp;L=3">Lists of primitive Heronian triples</a>, Bayreuth University.

%Y Cf. A120961, A285579, A002144.

%K nonn

%O 1,1

%A _Ray Chandler_, Dec 04 2019