Primes not expressed in form n<+>2, where operation <+> defined in A206853.
3, 17, 41, 73, 89, 97, 113, 137, 193, 233, 241, 257, 281, 313, 337, 353, 401, 409, 433
3 seqfan posts
Tue Feb 3 22:58:39 CET 2009 [seqfan] Re: A139414
Tue Feb 3 14:46:02 CET 2009 [seqfan] Re: A139414
Tue Feb 3 14:06:19 CET 2009 [seqfan] Re: A139414
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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