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%I #4 Mar 30 2012 17:35:07
%S 211,1423,1531,2011,3511,3571,4051,4651,5081,6217,6277,6451,7351,
%T 10883,12689,13183,13873,14083,15031,16267,16843,16889,17299,17383,
%U 17929,18803,18869,19213,19219,19237,20011,20743,21001,21139,21391,21803
%N Primes p such that p plus or minus the sum of the fourth powers of its digits is a prime in both cases.
%e a(3)=1531 since 1531-(1^4+5^4+3^4+1^4)=1531-708=823 is prime and 1531+708=2239 is prime.
%K nonn,base
%O 1,1
%A _Carmine Suriano_, Jul 20 2010
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