1,1
There is a total number of 15 left truncatable primes in base 5.
Angell, I. O. and Godwin, H. J. "On Truncatable Primes." Math. Comput. 31, 265-267, 1977.
Table of n, a(n) for n=1..15.
Index entries for sequences related to truncatable primes
Eric Weisstein: Truncatable Prime.
Cf. A024780, A076623.
Sequence in context: A003631 A175443 A032449 * A159079 A068947 A068948
Adjacent sequences: A129938 A129939 A129940 * A129942 A129943 A129944
nonn
Martin Renner, Jun 09 2007
approved