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A087269 Nonprime solutions to GCD[x,pi[x]]=GCD[x, A000720(x)]=1. +0
3
1, 9, 12, 18, 21, 25, 26, 28, 32, 34, 35, 36, 42, 45, 49, 52, 55, 57, 60, 65, 68, 69, 70, 74, 76, 81, 84, 85, 86, 87, 88, 91, 95, 98, 99, 104, 106, 110, 111, 112, 119, 121, 128, 129, 130, 133, 135, 141, 143, 145, 147, 155, 158, 159, 160, 161, 162, 165, 170, 172, 177 (list; graph; listen)
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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