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A046866
Numbers n such that 6*7^n -1 is prime.
+0
10
1, 2, 7, 18, 55, 69, 87, 119, 141, 189, 249, 354, 1586, 2135, 2865, 2930, 4214, 7167, 67485, 74402, 79326
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Maintained by
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Last modified December 6 13:45 EST 2009. Contains 170429 sequences.
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