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Revision History for A057958 (Bold, blue-underlined text is an addition; faded, red-underlined text is a deletion.)

Showing entries 1-10 | older changes
A057958
Number of prime factors of 3^n - 1 (counted with multiplicity).
(history; published version)
#24 by OEIS Server at Sun May 22 19:51:39 EDT 2022
LINKS

Max Alekseyev, <a href="/A057958/b057958_2.txt">Table of n, a(n) for n = 1..690</a> (first 660 terms from Amiram Eldar)

#23 by Max Alekseyev at Sun May 22 19:51:39 EDT 2022
STATUS

editing

approved

Discussion
Sun May 22
19:51
OEIS Server: Installed new b-file as b057958.txt.  Old b-file is now b057958_2.txt.
#22 by Max Alekseyev at Sun May 22 19:51:37 EDT 2022
LINKS

Max Alekseyev, <a href="/A057958/b057958_2.txt">Table of n, a(n) for n = 1..690</a> (first 660 terms from Amiram Eldar)

#21 by Max Alekseyev at Sun May 22 19:51:24 EDT 2022
LINKS

Max Alekseyev, <a href="/A057958/b057958_2.txt">Table of n, a(n) for n = 1..676690</a> (first 660 terms from Amiram Eldar)

STATUS

approved

editing

#20 by OEIS Server at Fri Apr 29 16:07:30 EDT 2022
LINKS

Max Alekseyev, <a href="/A057958/b057958_1.txt">Table of n, a(n) for n = 1..676</a> (first 660 terms from Amiram Eldar)

#19 by Max Alekseyev at Fri Apr 29 16:07:30 EDT 2022
STATUS

editing

approved

Discussion
Fri Apr 29
16:07
OEIS Server: Installed new b-file as b057958.txt.  Old b-file is now b057958_1.txt.
#18 by Max Alekseyev at Fri Apr 29 16:07:26 EDT 2022
LINKS

Max Alekseyev, <a href="/A057958/b057958_1.txt">Table of n, a(n) for n = 1..676</a> (first 660 terms from Amiram Eldar)

CROSSREFS

bigomega(b^n-1): A057951 (b=10), A057952 (b=9), A057953 (b=8), A057954 (b=7), A057955 (b=6), A057956 (b=5), A057957 (b=4), this sequence (b=3), A046051 (b=2).

Cf. A001222, A024023, A057951-A057958, A046051, A085028, A002591 A074477, A057952, A133801, A274909.

#17 by Max Alekseyev at Fri Apr 29 16:05:20 EDT 2022
LINKS

Amiram Eldar, Max Alekseyev, <a href="/A057958/b057958_1.txt">Table of n, a(n) for n = 1..660676</a>

STATUS

approved

editing

#16 by Andrew Howroyd at Sat Feb 01 12:09:34 EST 2020
STATUS

proposed

approved

#15 by Michel Marcus at Sat Feb 01 11:18:04 EST 2020
STATUS

editing

proposed

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