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.
%I A350724 #14 Mar 09 2022 10:50:49 %S A350724 89,109,149,173,178,218,233,267,293,298,327,346,349,356,409,421,436, %T A350724 447,449,461,466,509,519,534,586,596,601,613,623,653,654,692,698,699, %U A350724 709,712,761,763,801,818,842,872,877,879,894 %N A350724 Hypotenuses for which there exists a unique integer-sided triangle and where the other two sides of this triangle are also hypotenuses for which there exists a unique integer-sided triangle. %H A350724 Chai Wah Wu, <a href="/A350724/b350724.txt">Table of n, a(n) for n = 1..10000</a> %e A350724 89^2 = 39^2 + 80^2. This is the only integer decomposition. Also 39^2 = 15^2 + 36^2 and 80^2 = 48^2 + 64^2 are unique decompositions. %Y A350724 Cf. A046080, A084645. %K A350724 nonn %O A350724 1,1 %A A350724 _Robin Jehn_, Feb 03 2022