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%I #42 Dec 17 2025 21:35:56
%S 33817088,67634176,135268352,270536704,541073408,1082146816,
%T 2164293632,4328587264,8589934592,11734529536,17179869184,23469059072,
%U 34359738368,46938118144,68719476736,83764926976,93876236288,137438953472,161882400256,162288205312,167529853952,229246039552,230869259776,231883772416,239391165952,245072436736
%N Even terms in A002181.
%C Terms in A002181 are the least number k such that phi(k) = m, where m runs through the values (A002202) taken by phi, where phi is Euler's totient Function (A000010).
%D R. K. Guy, Unsolved Problems in Number Theory, 3rd ed., B39.
%Y Intersection of A002181 and A005843.
%Y Cf. A000010, A002202.
%K nonn
%O 1,1
%A _Jud McCranie_, Nov 23 2025