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 A114391 #2 Mar 31 2012 13:21:10 %S A114391 1,2,3,4,6,7,8,12,14,15,16,24,25,28,30,31,32,48,50,56,60,62,63,64,96, %T A114391 100,112,113,120,124,126,127,128,189,192,200,224,226,240,248,252,254, %U A114391 255,256,378,381,384,400,448,452,480,481,496,504,508,510,511,512,756 %N A114391 Positions where A114390 is a square. %Y A114391 A114392 gives the corresponding values. Differs from A077436 (and A023758) for the first time at n=13, where a(13)=25, while A077436(13)=28. First differences: A114394. %K A114391 nonn %O A114391 1,2 %A A114391 _Antti Karttunen_, Feb 07 2006