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 A096997 #6 Sep 09 2023 20:49:03 %S A096997 2,4,5,6,8,9,10,11,13,14,16,17,18,19,20,21,22,23,24,25,26,27,29,30,32, %T A096997 33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55, %U A096997 56,57,58,59,61,62,63,64,65,66,67,68,69,70,71,73,74,75,76,77,78,79,80 %N A096997 If the function f(x) = sigma(phi(x)) = A062402(x) is iterated starting from these listed values, then the starting value never returns. These are the transient terms of this iteration; they never occur in terminal cycles. %Y A096997 Cf. A062402, A096849. %K A096997 nonn %O A096997 1,1 %A A096997 _Labos Elemer_, Jul 19 2004