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 A048392 #6 Oct 19 2016 04:13:45 %S A048392 0,1,64,729,81,100,6400,1252161,72900,8100,51251281,10000,11881, %T A048392 134351281,640000,125216100,34327881,7290000,810000,811801, %U A048392 12515120641,5125128100,1000000,1001216164,100821681,1018081,10188864,1188100 %N A048392 Squares resulting from procedure described in A048391. %Y A048392 Cf. A048390, A048391. %K A048392 nonn %O A048392 1,3 %A A048392 _Patrick De Geest_, Mar 15 1999 %E A048392 Offset corrected by _Michel Marcus_, Oct 19 2016