Primes p such that pp'-2 is prime, where p' denotes the next prime after p.
3, 157, 211, 257, 367, 557, 977, 997, 1381, 1511, 1531, 2467, 2503, 2621, 2777
4 seqfan posts
Tue Nov 11 13:57:54 CET 2008 [seqfan] Re: Primes of the form pq+-2.
Tue Nov 11 13:45:15 CET 2008 [seqfan] Re: Primes of the form pq+-2.
Tue Nov 11 08:27:18 CET 2008 [seqfan] Re: Primes of the form pq+-2.
Tue Nov 11 06:24:04 CET 2008 [seqfan] Primes of the form pq+-2.
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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