The On-Line Encyclopedia of Integer Sequences (OEIS)

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A002981

Numbers k such that k! + 1 is prime.
(history; published version)

#180 by Charles R Greathouse IV at Sun Feb 16 08:32:27 EST 2025

LINKS

Eric Weisstein's World of Mathematics, <a href="httphttps://mathworld.wolfram.com/FactorialPrime.html">Factorial Prime</a>.

Eric Weisstein's World of Mathematics, <a href="httphttps://mathworld.wolfram.com/IntegerSequencePrimes.html">Integer Sequence Primes</a>.

Discussion

Sun Feb 16

08:32

OEIS Server: https://oeis.org/edit/global/3014

#179 by N. J. A. Sloane at Tue Sep 03 00:58:45 EDT 2024

STATUS

proposed

approved

#178 by Stefano Spezia at Mon Sep 02 14:54:08 EDT 2024

STATUS

editing

proposed

#177 by Stefano Spezia at Mon Sep 02 09:35:33 EDT 2024

LINKS

Chris K. Caldwell, <a href="https://t5k.org/top20/page.php?id=30">Factorial Primes</a>.

Chris K. Caldwell, <a href="https://t5k.org/primes/page.php?id=100445">110059! + 1 on the Prime Pages</a>.

H. Dubner & and N. J. A. Sloane, <a href="/A002981/a002981.pdf">Correspondence, 1991</a>.

R. K. Guy & and N. J. A. Sloane, <a href="/A005648/a005648.pdf">Correspondence, 1985</a>.

N. Kuosa, <a href="https://web.archive.org/web/20031023065055/http://powersum.dnsq.org/">Source for 6380.</a>.

Hisanori Mishima, <a href="http://www.asahi-net.or.jp/~KC2H-MSM/mathland/matha1/matha104.htm">Factors of N!+1</a>.

Rudolf Ondrejka, <a href="http://www.utm.edu/research/primes/lists/top_ten/">The Top Ten: a Catalogue of Primal Configurations</a>.

Titus Piezas III, 2004. <a href="http://citeseerx.ist.psu.edu/pdf/bfba8efe17d68bc35c1a28fb79efbfefc8287ffc">Solving Solvable Sextics Using Polynomial Decomposition</a>.

PrimePages, <a href="https://t5k.org/top20/page.php?id=30">Factorial Primes</a>.

Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/FactorialPrime.html">Factorial Prime</a>.

Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/IntegerSequencePrimes.html">Integer Sequence Primes</a>.

<a href="/index/Fa#factorial">Index entries for sequences related to factorial numbers</a>.

#176 by Stefano Spezia at Mon Sep 02 09:32:13 EDT 2024

LINKS

N. Kuosa, <a href="https://web.archive.org/web/20031023065055/http://wwwpowersum.hutdnsq.fi/~nkuosa/primeformorg/">Source for 6380.</a>

#175 by Stefano Spezia at Mon Sep 02 08:52:35 EDT 2024

REFERENCES

David Wells, The Penguin Dictionary of Curious and Interesting Numbers. Penguin Books, NY, 1986, Revised edition 1987. See p. 70.

STATUS

approved

editing

#174 by R. J. Mathar at Sun Aug 04 13:32:28 EDT 2024

STATUS

editing

approved

#173 by R. J. Mathar at Sun Aug 04 13:32:23 EDT 2024

LINKS

Titus Piezas III, 2004. <a href="http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.90.6646&rep=rep1&type=pdf/bfba8efe17d68bc35c1a28fb79efbfefc8287ffc">Solving Solvable Sextics Using Polynomial Decomposition</a>

STATUS

approved

editing

#172 by Michael De Vlieger at Wed Jun 19 23:39:44 EDT 2024

STATUS

reviewed

approved

#171 by Hugo Pfoertner at Wed Jun 19 21:40:37 EDT 2024

STATUS

proposed

reviewed