

A163814


Write down the squarefree positive integers, with a(1) = 1, and each mth prime replaced with the mth composite squarefree positive integer, and each mth composite squarefree positive integer replaced with the mth prime.


2



1, 6, 10, 14, 2, 15, 3, 21, 22, 5, 7, 26, 30, 11, 13, 33, 17, 34, 19, 35, 23, 29, 31, 38, 37, 41, 39, 43, 42, 47, 46, 53, 51, 59, 61, 67, 55, 57, 71, 73, 79, 58, 83, 89, 62, 65, 97, 101, 103, 66, 107, 69, 109, 113, 127, 70, 131, 137, 139, 149, 74, 77, 151, 78
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