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URL: https://oeis.org/history?seq=A382811

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

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Showing entries 1-10 | older changes
Integers k such that d*2^k - 1 is prime for some divisor d of k.
#40 by OEIS Server at Fri Apr 25 15:56:15 EDT 2025
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#39 by Michael De Vlieger at Fri Apr 25 15:56:15 EDT 2025
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Fri Apr 25
15:56
OEIS Server: Installed first b-file as b382811.txt.
#38 by Michel Marcus at Fri Apr 25 13:12:40 EDT 2025
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#37 by Robert Israel at Fri Apr 25 11:27:59 EDT 2025
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#36 by Robert Israel at Fri Apr 25 11:27:47 EDT 2025
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#35 by Joerg Arndt at Sun Apr 20 03:49:04 EDT 2025
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#34 by Michel Marcus at Sun Apr 20 02:22:41 EDT 2025
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#33 by Joerg Arndt at Sun Apr 20 01:31:11 EDT 2025
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#32 by Joerg Arndt at Sun Apr 20 01:31:08 EDT 2025
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#31 by N. J. A. Sloane at Sat Apr 19 17:56:17 EDT 2025
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