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A127267
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a(n)=floor(n/pi(n)), where pi(n)=A000720(n) is the number of primes <=n.
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0
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2, 1, 2, 1, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 2, 3, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 3, 3, 3, 4, 3, 3, 3, 3, 3, 3
(list; graph; refs; listen; history; internal format)
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OFFSET
| 2,1
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EXAMPLE
| a(28)=3 because there are 9 primes not exceeding 28 (namely, 2,3,5,7,11,13,17,19,23) and floor(28/9)=3.
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MAPLE
| with(numtheory): a:=n->floor(n/pi(n)): seq(a(n), n=2..140); - Emeric Deutsch (deutsch(AT)duke.poly.edu), Apr 15 2007
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CROSSREFS
| Cf. A000720.
Sequence in context: A033831 A033105 A106703 * A008617 A025824 A161232
Adjacent sequences: A127264 A127265 A127266 * A127268 A127269 A127270
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KEYWORD
| nonn
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AUTHOR
| Leroy Quet, Mar 27 2007
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EXTENSIONS
| More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Apr 15 2007
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