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A175102
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1, followed by list of numbers n such that the number of strong primes and the number of weak primes are equal at the n-th prime.
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3
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1, 60, 64, 41192, 41194, 41247, 41250, 41252, 41257, 41259, 41261, 41263, 41265, 41267, 41273, 41275, 41277, 41279, 41287, 41317, 41319, 41321, 41323, 41325, 41327, 41328, 41329, 41335, 41336, 41338, 41339, 41341, 41389, 41393, 41397, 41399, 41401, 41404, 41406, 41408, 41412, 41444, 41448, 42112
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OFFSET
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1,2
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COMMENTS
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LINKS
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PROG
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(PARI) c=1; q=3; r=2; s=0; forprime(p=5, default(primelimit), c++; (s+=sign(r+0-2*(r=q)+q=p))|print1(c", ")) \\ M. F. Hasler, Dec 03 2010
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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