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 A096992 #3 Oct 15 2013 22:32:33 %S A096992 883,985,1009,1025,1037,1051,1067,1073,1141,1145,1147,1159,1199,1203, %T A096992 1205,1217,1249,1267,1285,1291,1297,1303,1309,1343,1345,1353,1355, %U A096992 1361,1369,1371,1373,1385,1387,1417,1435,1461,1463,1465,1467,1471,1493,1505 %N A096992 Initial values for f(x)=sigma(phi[x])=A062402[x] such that iteration of f ends in cycle of length=6. %Y A096992 Cf. A062402, A095954. %K A096992 nonn %O A096992 1,1 %A A096992 _Labos Elemer_, Jul 19 2004