Perfect zip primes (i.e. order-k zip primes, with k = number of digits).
2, 3, 5, 7, 23, 37, 53, 73, 223, 233, 337, 523, 733, 773, 5233, 33377, 72733, 272333
1 seqfan posts
Mon Sep 26 18:28:28 CEST 2011 [seqfan] Re: broken links to pages from W. Schneider