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A037070
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a(n)-th prime is the smallest prime containing exactly n 9's.
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2
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1, 8, 46, 303, 5133, 17984, 216816, 1270607, 41146179, 420243162, 2524038155, 36159205628, 343392568900, 1955010428258
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OFFSET
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0,2
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LINKS
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MATHEMATICA
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(* see A037071 for f *) PrimePi[ Table[ f[n, 9], {n, 1, 13}]]
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CROSSREFS
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KEYWORD
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nonn,base,hard
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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