The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A244377 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A244377

Numbers k such that 1 + k + k^3 + k^5 + k^7 + k^9 + ... + k^15 is prime.
(history; published version)

#16 by Charles R Greathouse IV at Thu Sep 08 08:46:08 EDT 2022

PROG

(MAGMAMagma) [n: n in [0..1500] | IsPrime(s) where s is 1+&+[n^i: i in [1..15 by 2]]];

Discussion

Thu Sep 08

08:46

OEIS Server: https://oeis.org/edit/global/2944

#15 by Jon E. Schoenfield at Thu Aug 05 22:40:23 EDT 2021

STATUS

reviewed

approved

#14 by Michael De Vlieger at Thu Aug 05 21:44:15 EDT 2021

STATUS

proposed

reviewed

#13 by Jon E. Schoenfield at Thu Aug 05 21:10:10 EDT 2021

STATUS

editing

proposed

#12 by Jon E. Schoenfield at Thu Aug 05 21:10:09 EDT 2021

NAME

Numbers n k such that 1 + n k + nk^3 + nk^5 + nk^7 + nk^9 + ... + nk^15 is prime.

STATUS

approved

editing

#11 by Charles R Greathouse IV at Tue Jun 06 14:40:15 EDT 2017

STATUS

editing

approved

#10 by Charles R Greathouse IV at Tue Jun 06 14:40:13 EDT 2017

PROG

(PARI) is(n)=isprime(sum(k=0, 15, n^k)) \\ Charles R Greathouse IV, Jun 06 2017

STATUS

approved

editing

#9 by Charles R Greathouse IV at Tue Jun 06 14:39:25 EDT 2017

STATUS

editing

approved

#8 by Charles R Greathouse IV at Tue Jun 06 14:39:21 EDT 2017

PROG

(PARI) is(n)=isprime(sum(k=0, 15, n^k)) \\ Charles R Greathouse IV, Jun 06 2017

STATUS

approved

editing

#7 by Bruno Berselli at Fri Jun 27 10:22:23 EDT 2014

STATUS

editing

approved