**a(n) = the smallest positive integer such that (the n-th prime)+a(n)! is prime, or -1 if no such prime exists.**

*1, 2, 2, 3, 2, 3, 2, 4, 3, 2, 3, 3, 2, 4, 3, 3, 2, 3, 3, 2, 3, 4, 3, 4, 3, 2, 3, 2, 5, 4, 4, 3, 2, 4*

*1 seqfan posts*

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

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