%I A117835
%S A117835 2,3,5,7,11,13,17,31,71,113,131,151,211,311,1117,1151,1171,1511,2111,
%T A117835 11113,11117,11131,11171,11311,111121,111211,112111,113111,131111,
%U A117835 311111,511111,1111151,1111211,1111711,1117111,1171111
%N A117835 Prime numbers for which the product of the digits is also a prime number.
%C A117835 None of the numbers in the sequence can have digits 0,4,6,8 or 9. The
digits are all 1's, or there is one digit 2,3,5 or 7 and all the
others are 1's.
%Y A117835 Sequence in context: A068652 A003459 A118725 this_sequence A120639 A141263
A016114
%Y A117835 Adjacent sequences: A117832 A117833 A117834 this_sequence A117836 A117837
A117838
%K A117835 base,nonn
%O A117835 1,1
%A A117835 Luc Stevens (lms022(AT)yahoo.com), Apr 30 2006
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