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%I #5 Mar 31 2012 13:20:47
%S 7,11,31,131
%N Primes that can be written in more than one way as 1+p+p^k, p prime and k>0.
%C A084440(a(n))>1; subset of A084441.
%C No more terms < 10^14. - _David Wasserman_, Dec 28 2004
%e prime(32) = 131 = 1+5+5^3 = 1+2+2^7, therefore 131 is a term.
%Y Cf. A102070.
%K nonn,more
%O 1,1
%A _Reinhard Zumkeller_, May 26 2003