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A100964
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Smallest prime number that begins a prime gap of at least 2n.
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3
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3, 7, 23, 89, 113, 113, 113, 523, 523, 887, 1129, 1327, 1327, 1327, 1327, 1327, 1327, 9551, 15683, 15683, 15683, 15683, 19609, 19609, 19609, 19609, 31397, 31397, 31397, 31397, 31397, 31397, 31397, 31397, 31397, 31397, 155921, 155921, 155921, 155921
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OFFSET
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1,1
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LINKS
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FORMULA
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EXAMPLE
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a(5)=a(6)=a(7)=113 because there is a gap of 14 between 113 and 127.
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MATHEMATICA
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k=1; Table[While[Prime[k+1]-Prime[k] < 2n, k++ ]; Prime[k], {n, 48}]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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