a(n) = smallest prime number > a(n-1) that contains the n-th composite number as a substring.
41, 61, 83, 89, 101, 127, 149, 151, 163, 181, 1201, 1213, 1223, 1249, 1259, 2267
3 seqfan posts
Tue May 25 01:32:46 CEST 2010 [seqfan] Smallest number that contains the first n semiprimes as substrings