Prime sums of three Fermat numbers; or, primes of form 2^2^x + 2^2^y + 5.
11, 13, 23, 37, 263, 277, 65543, 65557, 429503283
2 seqfan posts
Fri Mar 5 09:34:57 CET 2010 [seqfan] Re: Sums of three Mersenne primes, and prime sums of three Mersenne primes
Fri Mar 5 08:25:24 CET 2010 [seqfan] Re: Sums of three Mersenne primes, and prime sums of three Mersenne primes
Index of A-numbers in seqfan: by ascending order
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