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Prime soloists for which the sum of the digits is another prime soloist.
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%I #1 Sep 29 2006 03:00:00

%S 67,89,139,157,179,193,197,199,229,269,283,337,359,373,379,409,449,

%T 463,467,487,557,571,577,593,607,643,647,661,683,719,733,739,751,757,

%U 773,809,823,827,829,863,881,883,919,937,953,971,991,1039,1093,1097,1129

%N Prime soloists for which the sum of the digits is another prime soloist.

%H L. Stevens, <a href="http://www.lucstevens.com/Primeensembles.htm">Prime ensembles</a>

%e 67 is in the sequence because (1) it is a prime soloist and (2) the sum of its digits 6+7=13 is another prime soloist ( see A119889)

%Y Cf. A119889.

%K base,nonn

%O 1,1

%A Luc Stevens (lms022(AT)yahoo.com), May 28 2006