**Maximum m such that there are no two adjacent elements belonging to the same n-th power residue class modulo some prime p in the sequence 1,2,...,m (equivalently, there is no n-th power residue modulo p in the sequence 1/2,2/3,...,(m-1)/m).**

*3, 8, 20, 44, 80, 343, 351, 608, 1403, 2848, 4095, 40959, 16383, 32768, 6553*

*1 seqfan posts*

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

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