%I
%S 3,5,7,8,13,14,19,20,23,24,25,26,31,32,33,37,43,47,48,49,53,54,55,61,
%T 62,63,73,74,83,84,89,90,91,92,113,114,115,116,117,118,119,120,121,
%U 122,131,139,140,141,142,143,151,157,167,173,181,182,183,184,185,199,200,201
%N Numbers k such that there are no primes between k and k + k^(1/3).
%H Amiram Eldar, <a href="/A127458/b127458.txt">Table of n, a(n) for n = 1..2500</a>
%t a = {}; Do[If[PrimePi[x + x^(1/3)]  PrimePi[x] == 0, AppendTo[a, x]], {x, 1, 2000}]; a
%o (PARI) is(n)=(nextprime(n+1)n)^3>n \\ _Charles R Greathouse IV_, Dec 09 2014
%Y Cf. A127441, A127459.
%K nonn
%O 1,1
%A _Artur Jasinski_, Jan 15 2007
