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A034818 Concatenations C1 and C2 and C3 are all prime (see the comment lines). +0
1
657, 4929, 10647, 18291, 20907, 22653, 27381, 28053, 28671, 42471, 48441, 57363, 69651, 79569, 89853, 93261, 95967, 101283, 110763, 119481, 128613, 145719, 149409, 174993, 201417, 204861, 205329, 221883, 248391, 269199, 272799, 293451 (list; graph; listen)
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Last modified December 6 13:45 EST 2009. Contains 170429 sequences.


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