%I A088057
%S A088057 7,47,347,12347,5012347,425012347,7425012347,1447425012347,
%T A088057 1891447425012347,201891447425012347,330201891447425012347,
%U A088057 36330201891447425012347,24736330201891447425012347
%N A088057 a(1)= 7, a(n) = least prime obtained by prefixing the digits of a multiple 
               of n to a(n-1).
%C A088057 Digits of a(n) can be partitioned from (least siginifacnt one) right 
               to left into multiples of 1 to n. a(5) = 5012347 ===> 50, 12, 3, 
               4, 7.
%e A088057 a(3) = 347 and a(4) = 12347 is obtained by prefixing 12 to 347.
%Y A088057 Cf. A088056.
%Y A088057 Sequence in context: A104092 A024187 A001711 this_sequence A108434 A093173 
               A006873
%Y A088057 Adjacent sequences: A088054 A088055 A088056 this_sequence A088058 A088059 
               A088060
%K A088057 base,nonn
%O A088057 1,1
%A A088057 Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 21 2003
%E A088057 More terms from Sam Alexander (amnalexander(AT)yahoo.com), Feb 27 2004