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A082698
Plateau and depression primes of the form 4*(10^a(n)-1)/9-3*(10^[ a(n)-1 ]+1) or (13*10^[ a(n)-1 ]-31)/9.
+0
3
7, 67, 1255, 8407, 67039
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Maintained by
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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.
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