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 A374805 #14 Apr 26 2025 20:08:17 %S A374805 1,7,15,23,31,21,33,39,49,45,79,57,95,103,75,69,127,87,63,151,93,167, %T A374805 111,123,99,187,117,105,161,241,141,135,153,247,271,283,177,183,165, %U A374805 275,147,171,323,219 %N A374805 a(n) is the smallest positive integer whose square can be represented as the sum of 3 distinct nonzero squares in exactly n ways, or -1 if no such number exists. %H A374805 <a href="/index/Su#ssq">Index entries for sequences related to sums of squares</a> %e A374805 a(3) = 23: 23^2 = 3^2 + 6^2 + 22^2 = 3^2 + 14^2 + 18^2 = 6^2 + 13^2 + 18^2. %Y A374805 Cf. A006339, A025415, A025442, A346071. %K A374805 nonn,more %O A374805 0,2 %A A374805 _Ilya Gutkovskiy_, Jul 20 2024 %E A374805 a(35)-a(43) from _Michael S. Branicky_, Jul 21 2024