**a(n) = the smallest prime p > p(n) such that p - p(n) is squarefree, where p(n) is the n-th prime.**

*3, 5, 7, 13, 13, 19, 19, 29, 29, 31, 37, 43, 43, 53, 53, 59, 61, 67, 73, 73, 79, 89, 89*

*2 seqfan posts*

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

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