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%I #15 Apr 22 2018 05:04:23
%S 2,3,5,17,19,23,31,37,47,227,233,311,313,317,331,919,997,2371,2389,
%T 10601,111443,817337
%N Left truncatable primes in base 7 (written in decimal form).
%C There are a total number of 22 left truncatable primes in base 7.
%H I. O. Angell and H. J. Godwin, <a href="http://dx.doi.org/10.1090/S0025-5718-1977-0427213-2">On Truncatable Primes</a>, Math. Comput. 31, 265-267, 1977.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/TruncatablePrime.html">Truncatable Prime</a>
%H <a href="/index/Tri#tprime">Index entries for sequences related to truncatable primes</a>
%Y Cf. A024782, A076623.
%K nonn,fini,full,base
%O 1,1
%A _Martin Renner_, Jun 09 2007
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