Search: id:A070029
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%I A070029
%S A070029 2,3,5,7,23,223,227,353,2333,2777,3323,7727,27527,33377,33773,35537,
%T A070029 35573,35753,37337,52727,53777,55337,55373,55733,57557,57737,57773,
%U A070029 73553,73757,75227,75353,75377,75533,75557,75773,77573,222557,222773
%N A070029 Primes with only prime digits and whose initial, all intermediate and 
               final iterated sums of digits are primes.
%C A070029 This sequence is the intersection of A062088 and A070027.
%e A070029 53777 is a term because 53777 is a prime with only prime digits and 5+3+7+7+7=29, 
               2+9=11 and 1+1=2 are all prime.
%Y A070029 Cf. A070027, A062088 (only first sum of digits is necessarily prime).
%Y A070029 Sequence in context: A006055 A052017 A062088 this_sequence A110094 A088054 
               A085907
%Y A070029 Adjacent sequences: A070026 A070027 A070028 this_sequence A070030 A070031 
               A070032
%K A070029 base,nonn
%O A070029 1,1
%A A070029 Rick L. Shepherd (rshepherd2(AT)hotmail.com), Apr 21 2002

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