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A055731
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Number of primes < 6^n.
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1
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0, 3, 11, 47, 210, 985, 4821, 24427, 126726, 669432, 3588148, 19453038, 106460872, 587176205, 3259873268, 18200088376, 102107048666, 575281018454, 3253321522134, 18459252891532, 105048100696856, 599403542263094, 3428437672359713, 19652744592040804, 112879982373565581, 649538196329702877, 3743885544339750283, 21612949469350359942, 124947894360104092955
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OFFSET
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0,2
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LINKS
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FORMULA
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MATHEMATICA
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Table[PrimePi[6^n], {n, 0, 17}]
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PROG
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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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