A189557 - OEIS

%I #8 Mar 30 2012 17:22:58

%S 5,7,13,19,41,43,59,73,109,113,139,181,193,227,229,239,251,281,283,

%T 293,313,331,347,349,419,461,463,467,487,523,541,557,587,601,607,617,

%U 643,653,701,773,829,863,883,919,929,977,1021,1033,1049,1061,1093,1109

%N Prime numbers n such that x' = n has one solution, where x' is the arithmetic derivative (A003415) of x.

%C The primes in A189481.

%H T. D. Noe, <a href="/A189557/b189557.txt">Table of n, a(n) for n = 1..1000</a>

%Y Cf. A003415, A189481.

%K nonn

%O 1,1

%A _T. D. Noe_, Apr 24 2011