%I A014120
%S A014120 0,10,25,39,77,679,6788,68889,2677889,26888999,3778888999,
%T A014120 267777777889999,77777777788888888888899999,
%U A014120 37777777777777777777777777778888889999999999999999999
%N A014120 Smallest number of persistence n over product-of-nonzero-digits function.
%H A014120 Ray Chandler, <a href="b014120.txt">Table of n, a(n) for n=0..14</a>
%H A014120 N. J. A. Sloane, <a href="http://www.research.att.com/~njas/doc/persistence.html">
               The persistence of a number</a>, J. Recreational Math., 6 (1973), 
               97-98.
%Y A014120 Cf. A003001.
%Y A014120 Sequence in context: A074814 A002600 A087473 this_sequence A003001 A038350 
               A003344
%Y A014120 Adjacent sequences: A014117 A014118 A014119 this_sequence A014121 A014122 
               A014123
%K A014120 nonn,base,nice
%O A014120 0,2
%A A014120 David W. Wilson (davidwwilson(AT)comcast.net)