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#22 by Charles R Greathouse IV at Thu Sep 08 08:44:56 EDT 2022
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| PROG
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(MAGMAMagma) [p: p in PrimesUpTo(1300) | p mod 8 in [1, 2]]; // Vincenzo Librandi, Aug 11 2012
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Discussion
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| Thu Sep 08
| 08:44
| OEIS Server: https://oeis.org/edit/global/2944
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#21 by OEIS Server at Sun Mar 15 20:03:43 EDT 2020
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| LINKS
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Ray Chandler, <a href="/A045390/b045390_1.txt">Table of n, a(n) for n = 1..10000</a> (first 1000 terms from Vincenzo Librandi)
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#20 by Ray Chandler at Sun Mar 15 20:03:43 EDT 2020
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Discussion
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| Sun Mar 15
| 20:03
| OEIS Server: Installed new b-file as b045390.txt. Old b-file is now b045390_1.txt.
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#19 by Ray Chandler at Sun Mar 15 20:03:39 EDT 2020
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| LINKS
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VincenzoRay LibrandiChandler, <a href="/A045390/b045390_1.txt">Table of n, a(n) for n = 1..100010000</a>> (first 1000 terms from Vincenzo Librandi)
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| STATUS
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approved
editing
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#18 by Jon E. Schoenfield at Sun Mar 08 23:05:53 EDT 2020
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#17 by Jon E. Schoenfield at Sun Mar 08 23:05:50 EDT 2020
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| AUTHOR
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_N. J. A. Sloane_._
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| STATUS
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approved
editing
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#16 by Bruno Berselli at Thu Mar 27 06:12:11 EDT 2014
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#15 by Bruno Berselli at Thu Mar 27 06:11:50 EDT 2014
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| COMMENTS
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Primes p such that -1 is a 4th power (mod p. - _). E.g.: 1^4 == -1 (mod 2), 2^4 == -1 (mod 17), 3^4 == -1 (mod 41), 10^4 == -1 (mod 73). - _Eric M. Schmidt_, Mar 27 2014
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| STATUS
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proposed
editing
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#14 by Eric M. Schmidt at Thu Mar 27 03:05:17 EDT 2014
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Discussion
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| Thu Mar 27
| 03:59
| Michel Marcus: I am not sure I understand correctly.
Can you just give me an example in the discussion ?
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| 04:07
| Eric M. Schmidt: 1^4 == -1 mod 2.
2^4 == -1 mod 17.
3^4 == -1 mod 41.
10^4 == -1 mod 73.
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| 04:32
| Michel Marcus: OK, merci
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#13 by Eric M. Schmidt at Thu Mar 27 03:05:06 EDT 2014
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| COMMENTS
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Primes p such that -1 is a 4th power mod p. - Eric M. Schmidt, Mar 27 2014
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| STATUS
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approved
editing
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