**Numbers n which have a prime divisor p such that 1 is the only positive integer which divides n/p^m and is conguruent to 1 modulo p, where p^(m+1) does not divide n.**

*1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28*

*4 seqfan posts*

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

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