Symmetrical Prime numbers : Prime-+n are primes, 1,2,3,4...x times.
5, 11, 17, 37, 53, 89, 107, 127, 179, 197, 223, 233, 257, 263, 401, 409, 421, 449, 457
4 seqfan posts
Fri Oct 9 02:38:44 CEST 2009 [seqfan] Re: Edit of A155030
Fri Oct 9 02:23:12 CEST 2009 [seqfan] Re: Edit of A155030
Fri Oct 9 02:14:37 CEST 2009 [seqfan] Re: Edit of A155030
Fri Oct 9 01:56:38 CEST 2009 [seqfan] Edit of A155030
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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