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 A096851 #7 Aug 26 2019 03:38:41 %S A096851 10,14,18,20,22,26,28,32,34,36,38,40,42,44,46,50,52,54,56,58,62,64,66, %T A096851 68,70,74,76,78,80,82,84,86,88,90,92,94,98,100,102,104,106,108,110, %U A096851 112,114,116,118,120,122,124,126 %N A096851 Even transient values of f(x)=phi(sigma(x)) iterations. %H A096851 Michel Marcus, <a href="/A096851/b096851.txt">Table of n, a(n) for n = 1..4984</a> %Y A096851 Even terms of A096849. %Y A096851 Cf. A095952-A095956, A096887-A096890, A096849-A096850. %K A096851 nonn %O A096851 1,1 %A A096851 _Labos Elemer_, Jul 16 2004