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A138291 Number of primes of the form prime(n)+g, where g is a primitive root of prime(n). +0
1
1, 1, 1, 0, 3, 1, 3, 1, 2, 4, 2, 2, 4, 3, 2, 7, 10, 3, 3, 3, 4, 6, 10, 7, 6, 11, 7, 12, 7, 9, 6, 10, 14, 10, 17, 10, 10, 12, 11, 13, 22, 7, 9, 11, 16, 10, 5, 13, 23, 8, 23, 12, 9, 23, 26, 22, 25, 13, 12, 14, 13, 19, 12, 18, 14, 32, 17, 18, 30, 22, 32, 21, 20, 14, 17, 28, 30, 19, 19, 21 (list; graph; listen)
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Last modified December 9 18:50 EST 2009. Contains 170568 sequences.


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