1,1

2161 and 211 (delete a digit from 2161) are both primes with period 30, so 211 is in the sequence.

Cf. A116074, A116076.

Sequence in context: A071367 A069425 A093732 this_sequence A096834 A099687 A133651

Adjacent sequences: A116072 A116073 A116074 this_sequence A116076 A116077 A116078

base,more,nonn

G. L. Honaker and Jud McCranie (j.mccranie(AT)comcast.net), Feb 03 2006