1,1
There is a total number of 454 left truncatable primes in base 6. Last term is a(454) = 4836525320399.
Angell, I. O. and Godwin, H. J. "On Truncatable Primes." Math. Comput. 31, 265-267, 1977.
Table of n, a(n) for n=1..20.
Index entries for sequences related to truncatable primes
Eric Weisstein: Truncatable Prime.
Cf. A024781, A076623.
Sequence in context: A040078 A045309 A103664 * A113239 A049553 A049595
Adjacent sequences: A129939 A129940 A129941 * A129943 A129944 A129945
nonn
Martin Renner, Jun 09 2007
approved