Numbers n such that 2^(n-1) + n is prime.
1, 3, 7, 237, 1885, 5138
1 seqfan posts
Mon Feb 8 14:19:37 CET 2010 [seqfan] Re: Fwd: Primes in an exponential sequence
Index of A-numbers in seqfan: by ascending order
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