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%I #19 Jan 25 2019 08:29:22
%S 2,3,5,17,19,23,37,41,137,139,163,167,263,293,977,1171,1847,2053,6841
%N Right truncatable primes in base 7 (written in decimal form).
%C There are exactly 19 right 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>
%e 263 is a term because 524_7 = 263_10, 52_7 = 37_10, and 5_7 = 5_10 and 263, 37 and 5 are all prime numbers. - _Bernard Schott_, Jan 25 2019
%Y Cf. A024767, A076586.
%K nonn,fini,full,base
%O 1,1
%A _Martin Renner_, Jun 01 2007
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