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Revision History for A153513

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Showing entries 1-10 | older changes
Composite numbers k such that 2^k-2 and 3^k-3 are both divisible by k and k is not a Carmichael number (A002997).
(history; published version)
#29 by Joerg Arndt at Sun Jun 13 08:46:22 EDT 2021
STATUS

proposed

approved

#28 by Jon E. Schoenfield at Sun Jun 13 08:30:46 EDT 2021
STATUS

editing

proposed

#27 by Jon E. Schoenfield at Sun Jun 13 08:30:43 EDT 2021
NAME

Composite numbers k such that 2^k-2 and 3^k-3 are both divisible by k and k is not a Carmichael number (A002997).

STATUS

approved

editing

#26 by OEIS Server at Thu Oct 29 04:36:59 EDT 2020
LINKS

Amiram Eldar, <a href="/A153513/b153513_2.txt">Table of n, a(n) for n = 1..10000</a> (terms 1..200 from Robert Israel)

#25 by Bruno Berselli at Thu Oct 29 04:36:59 EDT 2020
STATUS

reviewed

approved

Discussion
Thu Oct 29
04:36
OEIS Server: Installed new b-file as b153513.txt.  Old b-file is now b153513_2.txt.
#24 by Michel Marcus at Thu Oct 29 03:58:15 EDT 2020
STATUS

proposed

reviewed

#23 by Amiram Eldar at Thu Oct 29 03:43:50 EDT 2020
STATUS

editing

proposed

#22 by Amiram Eldar at Thu Oct 29 03:31:33 EDT 2020
NAME

Composites n Composite numbers k such 2^nk-2 and 3^nk-3 are both divisible by n k and n k is not a Carmichael number (A002997).

COMMENTS

Intersection of A153514 and A153508 (excluding the number 1).

LINKS

Amiram Eldar, <a href="/A153513/b153513_2.txt">Table of n, a(n) for n = 1..10000</a> (terms 1..200 from Robert Israel)

CROSSREFS

Intersection of A153514 and A153508 (excluding the number 1).

Cf. A002997, A122780, A153508, A153514.

#21 by Amiram Eldar at Thu Oct 29 03:30:18 EDT 2020
LINKS

Robert Israel, Amiram Eldar, <a href="/A153513/b153513_2.txt">Table of n, a(n) for n = 1..20010000</a>

STATUS

approved

editing

#20 by Bruno Berselli at Mon Mar 25 12:01:53 EDT 2019
STATUS

reviewed

approved