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URL: https://oeis.org/history?seq=A100617

⇱ The On-Line Encyclopedia of Integer Sequences (OEIS)

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There are n people in a room. The first half (i.e., floor(n/2)) of them leave, then 1/3 (i.e., floor of 1/3) of those remaining leave, then 1/4, then 1/5, etc.; sequence gives number who remain at the end.
#34 by Alois P. Heinz at Tue Mar 18 10:52:01 EDT 2025
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#33 by Robert C. Lyons at Tue Mar 18 10:49:27 EDT 2025
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#32 by Robert C. Lyons at Tue Mar 18 10:49:25 EDT 2025
PROG
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#31 by Michael De Vlieger at Mon Mar 03 09:32:31 EST 2025
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#30 by Michel Marcus at Mon Mar 03 04:24:47 EST 2025
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#29 by Michel Marcus at Mon Mar 03 04:24:44 EST 2025
REFERENCES
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#28 by N. J. A. Sloane at Thu Nov 24 09:27:20 EST 2016
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#27 by Antti Karttunen at Wed Nov 23 18:12:43 EST 2016
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#26 by Antti Karttunen at Wed Nov 23 14:47:30 EST 2016
CROSSREFS
#25 by Antti Karttunen at Wed Nov 23 14:32:11 EST 2016
FORMULA