**a(n) is the smallest number not yet in the sequence with the same number of distinct prime divisors as n, but relatively prime to n.**

*1, 3, 2, 5, 4, 35, 8, 7, 11, 21, 9, 55, 16, 15, 14, 13, 19, 65, 17, 33, 10, 39, 25, 77, 23*

*2 seqfan posts*

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

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