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A071973
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Number of primes less than or equal to Pi^n.
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3
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0, 2, 4, 11, 25, 62, 162, 433, 1175, 3229, 9042, 25549, 73050, 210356, 610041, 1779830, 5218745, 15372304, 45455747, 134882577, 401480918, 1198344171, 3585783711, 10754085805, 32319203663, 97312548674, 293515297707, 886720888966, 2682778745396, 8127887397064
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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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Do[ Print[ PrimePi[Pi^n]], {n, 0, 28}]
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PROG
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CROSSREFS
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KEYWORD
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hard,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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