cp's OEIS Frontend

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.

A227534 Even numbers n such that the least e with n^e a totient is a new record.

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%I A227534 #17 Sep 27 2015 10:29:07
%S A227534 2,22,34,62,86,202,398,2042,6998,12514,12758,33406,48962,101554,
%T A227534 154186,197378,298366
%N A227534 Even numbers n such that the least e with n^e a totient is a new record.
%C A227534 Essentially position of records in A227533.
%C A227534 Probably all terms beyond the first are even semiprimes: conjecturally this is a subsequence of A001747.
%o A227534 (PARI) r=0;forstep(n=2,1e5,2, t=1; while(!istotient(n^t++),); if(t>r,r=t;print1(n", ")))
%o A227534 \\ See also A227533 for a more efficient method of computing terms.
%Y A227534 Cf. A227533, A227535.
%K A227534 nonn,hard
%O A227534 1,1
%A A227534 _Charles R Greathouse IV_, Jul 14 2013
%E A227534 a(14) from _Charles R Greathouse IV_, Jul 16 2013
%E A227534 a(15) from _Charles R Greathouse IV_, Jul 17 2013
%E A227534 a(16)-a(17) from _Charles R Greathouse IV_, Jul 19 2013