%I A034054
%S A034054 7,17,71,117,171,711,1117,1171,1711,7111,11117,11171,11711,17111,71111,
%T A034054 111117,111171,111711,117111,171111,711111,1111117,1111171,1111711,
%U A034054 1117111,1171111,1711111,7111111,11111117,11111171,11111711,11117111
%N A034054 Numbers with multiplicative digital root value 7.
%H A034054 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               MultiplicativeDigitalRoot.html">Multiplicative Digital Root</a>
%Y A034054 Cf. A031347.
%Y A034054 Sequence in context: A136192 A118431 A051809 this_sequence A120876 A086870 
               A107693
%Y A034054 Adjacent sequences: A034051 A034052 A034053 this_sequence A034055 A034056 
               A034057
%K A034054 nonn
%O A034054 0,1
%A A034054 Patrick De Geest (pdg(AT)worldofnumbers.com), Sep 15 1998.