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 A374275 #18 Jul 02 2024 10:19:55 %S A374275 2,0,121,2299,6061,43681,66671,33659659,187891,1266749,8067191, %T A374275 639533521,2066801 %N A374275 Smallest k such that k can be written in exactly n ways as x^2 + 3*x*y + y^2 with 0 <= x <= y. %C A374275 a(n) is the smallest nonnegative k such that A374276(k) = n. %C A374275 a(14) = 36735721. %C A374275 a(15) = 153276629. %C A374275 a(16) = 7703531. %C A374275 a(18) = 39269219. %C A374275 a(20) = 250082921. %C A374275 a(24) = 84738841. %C A374275 a(32) = 454508329. %Y A374275 Cf. A000446, A198799. %Y A374275 Cf. A031363, A374091, A374095, A374276. %K A374275 nonn,more %O A374275 0,1 %A A374275 _Seiichi Manyama_, Jul 02 2024