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 A166103 #2 Mar 31 2012 13:21:20 %S A166103 1,9,25,81,121,225,289,529,625,729,841,1089,1681,2025,2209,2601,2809, %T A166103 3025,3481,4761,5041,5625,6561,6889,7225,7569,7921,9801,10201,11449, %U A166103 12769,13225,14641,15129,15625,17161,18225,18769,19881,21025,22201 %N A166103 Squares of A166104. %C A166103 Conjecture: a(n)=A166102(n)/3. (Checked for terms a(1)-a(92).) %Y A166103 a(n) = A000290(A166104(n)). %K A166103 nonn %O A166103 1,2 %A A166103 _Antti Karttunen_, Oct 13 2009