[seqfan] re Integers formed by concatenating primes

N. J. A. Sloane njas at research.att.com
Thu Oct 15 13:26:19 CEST 2009

>this seq seems absent from the OEIS:

S = 2,3,5,7,11,13,17,19,22,23,25,27,29,32,33,35,37,41,43,47,52,53,55,57,59,61,67,71,72,73,75,77,

Me; You left out 31, I think?  but it is still
missing and I will add it


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