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 A097238 #22 Aug 10 2025 20:54:18 %S A097238 40625,53125,81250,90625,106250,115625,121875,128125,159375,162500, %T A097238 165625,181250,190625,212500,228125,231250,243750,256250,271875, %U A097238 278125,284375,303125,315625,318750,325000,331250,340625,346875,353125,362500 %N A097238 Numbers j that are the hypotenuse of exactly 16 distinct integer-sided right triangles, i.e., j^2 can be written as a sum of two squares in 16 ways. %C A097238 If m is a term, then 2*m and p*m are terms where p is any prime of the form 4k+3. - _Ray Chandler_, Dec 30 2019 %H A097238 Ray Chandler, <a href="/A097238/b097238.txt">Table of n, a(n) for n = 1..10000</a> %Y A097238 Cf. A004144 (0), A084645 (1), A084646 (2), A084647 (3), A084648 (4), A084649 (5), A097219 (6), A097101 (7), A290499 (8), A290500 (9), A097225 (10), A290501 (11), A097226 (12), A097102 (13), A290502 (14), A290503 (15), A097239 (17), A290504 (18), A290505 (19), A097103 (22), A097244 (31), A097245 (37), A097282 (40), A097626 (67). %K A097238 nonn %O A097238 1,1 %A A097238 _James R. Buddenhagen_, Sep 17 2004 %E A097238 More terms from _Ray Chandler_, Sep 18 2004 %E A097238 Offset corrected by _Michel Marcus_, Aug 04 2017