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%I #14 Aug 24 2019 07:05:56
%S 9,27,36,125,2197,3136,32768,79524,97344,503284375
%N Perfect powers n with no primes between n and the next smaller perfect power, which is in A116086.
%C No other terms < 10^18. - _Jud McCranie_, Nov 03 2013
%C No other terms < 4.5*10^18. - _Giovanni Resta_, Apr 28 2014
%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Redmond-Sun_conjecture">Redmond-Sun conjecture</a>
%Y Cf. A001597 (perfect powers), A116086.
%Y Cf. A068435 (for prime powers).
%K hard,nonn
%O 1,1
%A _T. D. Noe_, Mar 28 2006
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