The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A078512

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A078512

Carmichael numbers that are unrestricted Perrin pseudoprimes.
(history; published version)

#16 by Giovanni Resta at Fri Jun 28 04:26:18 EDT 2019

STATUS

reviewed

approved

#15 by Michel Marcus at Fri Jun 28 03:50:18 EDT 2019

STATUS

proposed

reviewed

Discussion

Fri Jun 28

03:53

Michel Marcus: But ok to add article to A001608

#14 by Amiram Eldar at Fri Jun 28 03:36:20 EDT 2019

STATUS

editing

proposed

Discussion

Fri Jun 28

03:50

Michel Marcus: I think the reason for the link is because the article has A078512

#13 by Amiram Eldar at Fri Jun 28 03:36:13 EDT 2019

NAME

Carmichael numbers that are unrestricted Perrin pseudoprimes.

STATUS

proposed

editing

#12 by Amiram Eldar at Fri Jun 28 03:27:02 EDT 2019

STATUS

editing

proposed

Discussion

Fri Jun 28

03:27

Amiram Eldar: I meant the "The Li & MacHenry paper/link".

#11 by Amiram Eldar at Fri Jun 28 03:25:18 EDT 2019

LINKS

Amiram Eldar, <a href="/A078512/b078512.txt">Table of n, a(n) for n = 1..765</a> (terms below 2^64)

Discussion

Fri Jun 28

03:27

Amiram Eldar: The Li & MacHenry has nothing to do with pseudoprimes and Carmichael numbers. It mentions the Perrin sequence and therefore should be move to A001608.

#10 by Amiram Eldar at Fri Jun 28 03:23:49 EDT 2019

DATA

7045248121, 7279379941, 24306384961, 43234580143, 52437986833, 60518537641, 80829302401, 118805562613, 144377609419, 165321688501, 167385219121, 254302215553, 364573433665, 575687567521, 588909469501, 652270080001, 2152302898747, 4094040693601, 6287912246305

LINKS

Amiram Eldar, <a href="/A078512/b078512.txt">Table of n, a(n) for n = 1..765</a>

C. Christian Holzbaur, <a href="https://web.archive.org/web/20060622092157/http://www.ai.univie.ac.at/carmichael.html">The 150 Carmichael numbers out of 246683 up to 10^16 that are Perrin pseudoprimes</a> (actually contains the correct number of terms: 108).

EXTENSIONS

More terms from Amiram Eldar, Jun 28 2019

STATUS

approved

editing

#9 by R. J. Mathar at Sun Nov 05 14:48:13 EST 2017

STATUS

editing

approved

#8 by R. J. Mathar at Sun Nov 05 14:48:07 EST 2017

LINKS

H. Li, T. MacHenry, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL16/MacHenry/machenry7.html">Permanents and Determinants, Weighted Isobaric Polynomials, and Integer Sequences</a>, J. Int. Seq. 16 (2013) #13.3.5, example 49.

STATUS

approved

editing

#7 by Russ Cox at Sat Mar 31 10:26:00 EDT 2012

AUTHOR

_Lekraj Beedassy (blekraj(AT)yahoo.com), _, Jan 06 2003

Discussion

Sat Mar 31

10:26

OEIS Server: https://oeis.org/edit/global/489