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 A122699 #9 Jun 06 2024 14:58:01
%S A122699 7,0,9,41,81,146,194,306,369,425,594,689,866,1109,1161,1154,1361,1634,
%T A122699 1781,1889,2141,2729,2609,3626,3366,3566,3449,3506,4241,4289,4826,
%U A122699 5066,5381,7034,5561,6254,7229,7829,8186,8069,8126,8609,8921,8774,10386
%N A122699 Least integer that can be written as a sum of 3 squares in n nontrivial ways (ignoring order and signs).
%C A122699 Essentially the same as A095809. [From _R. J. Mathar_, Aug 02 2008]
%H A122699 Wouter Meeussen, <a href="/A122699/b122699.txt">Table of n, a(n) for n = 0..112</a>
%e A122699 a(4)=81 since it can be written as 0^2+0^2+9^2, 1^2+4^2+8^2, 3^2+6^2+6^2, 4^2+4^2+7^2.
%t A122699 Needs["NumberTheory`NumberTheoryFunctions`"]; Flatten[Position[Table[Length@SumOfSquaresRepresentations[3,n], {n,0,65000}],#,1,1]-1]& /@ Range[0,120]
%Y A122699 Cf. A117609.
%K A122699 nonn
%O A122699 0,1
%A A122699 _Wouter Meeussen_, Oct 21 2006