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There are exactly 68 right truncatable primes in base 9.
Martin Renner, Table of n, a(n) for n = 1..68
I. O. Angell, and H. J. Godwin, On Truncatable Primes, Math. Comput. 31, 265-267, 1977.
Eric Weisstein: Truncatable Prime.
Index entries for sequences related to truncatable primes
Cf. A024769, A076586.
Sequence in context: A048403 A000519 A088732 * A153590 A244529 A025019
Adjacent sequences: A129690 A129691 A129692 * A129694 A129695 A129696
Martin Renner, Jun 01 2007