**a(n) is the smallest prime such that (a(n) - the n-th prime) is a power of 2.**

*3, 5, 7, 11, 13, 17, 19, 23, 31, 31, 47, 41, 43, 47, 79, 61, 61, 317, 71, 73, 89, 83, 211*

*2 seqfan posts*

Index of A-numbers in seqfan: by ascending order by month by frequency by keyword

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