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A349592
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Number of prime lucky numbers k between powers of 2, 2^n < k < 2^(n+1).
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0
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0, 1, 1, 1, 1, 2, 4, 6, 10, 19, 25, 46, 70, 126, 226, 360, 708, 1237, 2215, 3902, 7281, 13243, 24140, 44006, 81479, 150526, 278981, 519383, 966444, 1803380, 3376209, 6330436, 11904432
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OFFSET
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0,6
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LINKS
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FORMULA
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EXAMPLE
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a(6) = 4 since there are 4 prime lucky numbers (67, 73, 79, and 127) between 2^6 = 64 and 2^7 = 128.
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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STATUS
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approved
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