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A092998
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Least integer k > n such that the number of primes between 1 and n (exclusive) is the same as the number of primes between n and k (exclusive).
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3
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3, 6, 8, 12, 14, 18, 20, 20, 20, 24, 30, 32, 38, 38, 38, 42, 44, 48, 54, 54, 54, 60, 62, 62, 62, 62, 62, 68, 72, 74, 80, 80, 80, 80, 80, 84, 90, 90, 90, 98, 102, 104, 108, 108, 108, 110, 114, 114, 114, 114, 114, 128, 132, 132, 132, 132, 132, 138, 140, 150, 152, 152
(list; graph; refs; listen; history; internal format)
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OFFSET
| 2,1
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MATHEMATICA
| Do[k = n + 1; While[Length[Select[Range[n - 1], PrimeQ]] != Length[Select[Range[n + 1, k - 1], PrimeQ]], k++ ]; Print[k], {n, 2, 100}] - Ryan Propper (rpropper(AT)stanford.edu), Sep 23 2006
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CROSSREFS
| Cf. A092996, A092997, A077154.
Sequence in context: A070528 A122116 A126862 * A135731 A118335 A189630
Adjacent sequences: A092995 A092996 A092997 * A092999 A093000 A093001
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KEYWORD
| easy,nonn
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 29 2004
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EXTENSIONS
| More terms from Ryan Propper (rpropper(AT)stanford.edu), Sep 23 2006
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