From: "Michael Kleber" <michael.kleber@gmail.com>
I asked this list on Saturday about deletable primes. Thanks to everyone who replied. But no one answered my specific question about the largest known deletable prime, so I'm adding these two sequences to the OEIS. Maybe someone would like to extend them!
%S A125589 2,13,103,1013,10039 %N A125589 Smallest n-digit base-10 deletable prime.
100103, 1000193, 10000931
100001903 1000009321 10000019321 100000124963 1000000129693 10000000370219 Worth double-checking, of course. Phil () ASCII ribbon campaign () Hopeless ribbon campaign /\ against HTML mail /\ against gratuitous bloodshed [stolen with permission from Daniel B. Cristofani] __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com