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%I #19 Sep 27 2015 10:29:09
%S 2,3,4,5,15,17,23,42,44,47,68,80,107,130,142,162,184
%N Exponents e such that n^e is the least totient for some even n and all even k < n have a totient of the form k^f for some f < e.
%C Records in A227533.
%F a(n) = A227533(A227534(n)/2).
%o (PARI) r=0;forstep(n=2,1e5,2, t=1; while(!istotient(n^t++),); if(t>r, r=t;print1(t", ")))
%o \\ See also A227533 for a more efficient method of computing terms.
%Y Cf. A227533, A227534.
%K nonn,hard
%O 1,1
%A _Charles R Greathouse IV_, Jul 14 2013
%E a(14) from _Charles R Greathouse IV_, Jul 16 2013
%E a(15) from _Charles R Greathouse IV_, Jul 17 2013
%E a(16)-a(17) from _Charles R Greathouse IV_, Jul 19 2013
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