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URL: https://oeis.org/history?seq=A091289

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

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Integer solutions x to sigma(x) + sigma(x+1) = 2*sigma(2x+1) where sigma = A000203.
#27 by OEIS Server at Tue Feb 11 01:27:49 EST 2025
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#26 by Michel Marcus at Tue Feb 11 01:27:49 EST 2025
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Tue Feb 11
01:27
OEIS Server: Installed first b-file as b091289.txt.
#25 by Joerg Arndt at Tue Feb 11 01:21:35 EST 2025
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#24 by Amiram Eldar at Tue Feb 11 01:02:32 EST 2025
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#23 by Amiram Eldar at Tue Feb 11 00:56:53 EST 2025
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#22 by Amiram Eldar at Tue Feb 11 00:56:25 EST 2025
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#21 by Andrey Zabolotskiy at Sun Dec 31 16:44:56 EST 2023
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#20 by Andrey Zabolotskiy at Sun Dec 31 16:44:54 EST 2023
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#19 by Alois P. Heinz at Mon May 23 11:43:55 EDT 2022
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#18 by Amiram Eldar at Mon May 23 11:25:46 EDT 2022
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