Primes of the form: smallest prime factor of n + largest prime factor of n, n > 1.
5, 7, 5, 5, 7, 13, 5, 7, 19, 5, 7, 13, 5, 7, 5, 31, 7, 13, 19, 5, 7, 43, 13, 7, 5, 7, 19, 5, 13
1 seqfan posts
Mon Mar 29 19:38:20 CEST 2010 [seqfan] Re: Help me understand these sequences