Search: id:A055781
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%I A055781
%S A055781 31,71,131,191,311,431,971,1031,1091,1511,1571,1811,1931,2111,2411,
%T A055781 2711,3371,3491,3671,4091,4211,4391,4871,5231,5471,5711,6011,6131,6311,
%U A055781 6911,7331,7691,8111,8231,8291,8831,9371,10091,10211,10331,10391,10631
%N A055781 Primes q of form q=10p+1, where p is also prime.
%e A055781 1031=103*10+1, 1 glued to 103
%Y A055781 A005384, A005385.
%Y A055781 Sequence in context: A109309 A127191 A003542 this_sequence A142195 A139975 
               A050957
%Y A055781 Adjacent sequences: A055778 A055779 A055780 this_sequence A055782 A055783 
               A055784
%K A055781 nonn
%O A055781 1,1
%A A055781 Labos E. (labos(AT)ana.sote.hu), Jul 13 2000

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