**If the n-th prime is denoted by p(n) then a(n) = (Sum of the quadratic non-residues of p(n) - Sum of the quadratic residues of p(n)) / p(n)**

*0, 0, 0, 1, 1, 0, 0, 1, 3, 0, 3, 0, 0, 1, 5, 0, 3, 0, 1, 7, 0, 5, 3, 0, 0, 0, 5, 3, 0, 0, 5, 5, 0, 3*

*5 seqfan posts*

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

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