1,1

There is a total number of 16 left truncatable primes in base 4.

Eric Weisstein: Truncatable Prime.

Cf. A024779, A076623.

Sequence in context: A108184 A049091 A039787 this_sequence A128631 A092217 A007481

Adjacent sequences: A129937 A129938 A129939 this_sequence A129941 A129942 A129943

nonn

Martin Renner (martin.renner(AT)gmx.net), Jun 09 2007