The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A057957 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A057957

Number of prime factors of 4^n - 1 (counted with multiplicity).
(history; published version)

#36 by OEIS Server at Tue Jul 25 19:57:06 EDT 2023

LINKS

Max Alekseyev, <a href="/A057957/b057957_5.txt">Table of n, a(n) for n = 1..1122</a> (first 603 terms from Amiram Eldar)

#35 by Max Alekseyev at Tue Jul 25 19:57:06 EDT 2023

STATUS

editing

approved

Discussion

Tue Jul 25

19:57

OEIS Server: Installed new b-file as b057957.txt.  Old b-file is now b057957_5.txt.

#34 by Max Alekseyev at Tue Jul 25 19:57:02 EDT 2023

LINKS

Max Alekseyev, <a href="/A057957/b057957_5.txt">Table of n, a(n) for n = 1..1122</a> (first 603 terms from Amiram Eldar)

#33 by Max Alekseyev at Tue Jul 25 19:56:51 EDT 2023

LINKS

Max Alekseyev, <a href="/A057957/b057957_5.txt">Table of n, a(n) for n = 1..11081122</a> (first 603 terms from Amiram Eldar)

STATUS

approved

editing

#32 by OEIS Server at Sat Apr 15 13:45:44 EDT 2023

LINKS

Max Alekseyev, <a href="/A057957/b057957_4.txt">Table of n, a(n) for n = 1..1108</a> (first 603 terms from Amiram Eldar)

#31 by Max Alekseyev at Sat Apr 15 13:45:44 EDT 2023

STATUS

editing

approved

Discussion

Sat Apr 15

13:45

OEIS Server: Installed new b-file as b057957.txt.  Old b-file is now b057957_4.txt.

#30 by Max Alekseyev at Sat Apr 15 13:45:35 EDT 2023

LINKS

Max Alekseyev, <a href="/A057957/b057957_4.txt">Table of n, a(n) for n = 1..1108</a> (first 603 terms from Amiram Eldar)

#29 by Max Alekseyev at Sat Apr 15 13:45:23 EDT 2023

LINKS

Max Alekseyev, <a href="/A057957/b057957_4.txt">Table of n, a(n) for n = 1..11071108</a> (first 603 terms from Amiram Eldar)

STATUS

approved

editing

#28 by OEIS Server at Wed Dec 21 13:13:57 EST 2022

LINKS

Max Alekseyev, <a href="/A057957/b057957_3.txt">Table of n, a(n) for n = 1..1107</a> (first 603 terms from Amiram Eldar)

#27 by Max Alekseyev at Wed Dec 21 13:13:57 EST 2022

STATUS

editing

approved

Discussion

Wed Dec 21

13:13

OEIS Server: Installed new b-file as b057957.txt.  Old b-file is now b057957_3.txt.