Search: id:A085248
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%I A085248
%S A085248 8,18,28,68,78,98,268,318,418,428,498,518,578,598,618,628,668,678,978,
%T A085248 1268,1498,1578,1598,1978,2318,2428,2598,2678,3428,3598,3628,3678,4318,
%U A085248 4418,4498,4978,5518,5618,5678,6268,6428,6618,6628,6668,6978,7498,7598
%N A085248 Left truncatable 3-almost primes, in which repeatedly deleting the leftmost 
               digit gives a 3-almost at every step until a single digit 3-almost 
               prime remains.
%D A085248 Angell, I. O. and Godwin, H. J. "On Truncatable Primes." Math. Comput. 
               31, 265-267, 1977.
%H A085248 <a href="Sindx_Tri.html#tprime">Index entries for sequences related to 
               truncatable primes</a>
%e A085248 a(7)=268 is a term because 268,68 and 8 are all 3-almost primes.
%Y A085248 Sequence in context: A043521 A017365 A084394 this_sequence A092163 A100592 
               A028563
%Y A085248 Adjacent sequences: A085245 A085246 A085247 this_sequence A085249 A085250 
               A085251
%K A085248 nonn
%O A085248 1,1
%A A085248 Shyam Sunder Gupta (guptass(AT)rediffmail.com), Aug 11 2003

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