%I
%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/RedmondSun_conjecture">RedmondSun conjecture</a>
%Y Cf. A116086.
%K hard,nonn
%O 1,1
%A _T. D. Noe_, Mar 28 2006
