The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A100900 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A100900

Numbers n such that (2^n+1)^3-2 is prime.
(history; published version)

#16 by Giovanni Resta at Sun Jun 19 03:34:12 EDT 2016

STATUS

reviewed

approved

#15 by Joerg Arndt at Sun Jun 19 03:01:52 EDT 2016

STATUS

proposed

reviewed

#14 by Michel Marcus at Sat Jun 18 14:55:26 EDT 2016

STATUS

editing

proposed

Discussion

Sat Jun 18

14:56

Serge Batalov: Agreed

#13 by Michel Marcus at Sat Jun 18 14:54:52 EDT 2016

EXTENSIONS

Additional term 471043 from Serge Batalov, Jun 18 2016

STATUS

proposed

editing

Discussion

Sat Jun 18

14:55

Michel Marcus: No need for extension in this case since you did not extend data section terms

#12 by Serge Batalov at Sat Jun 18 14:48:56 EDT 2016

STATUS

editing

proposed

#11 by Serge Batalov at Sat Jun 18 14:48:01 EDT 2016

EXTENSIONS

Additional term 471043 from Serge Batalov, Jun 18 2016

Discussion

Sat Jun 18

14:48

Serge Batalov: I will fill the gap 88000<=n<=430050 a bit later.

#10 by Serge Batalov at Sat Jun 18 14:46:52 EDT 2016

COMMENTS

471043 is in the sequence, but its position is not determined yet. - Serge Batalov, Jun 18 2016

PROG

(PARI) is(n)=(n%4==3 && ispseudoprime((2^n+1)^3-2) ) \\ Charles R Greathouse IV, Feb 19 2016

EXTENSIONS

Additional term from Serge Batalov, Jun 18 2016

STATUS

approved

editing

#9 by Charles R Greathouse IV at Fri Feb 19 08:39:59 EST 2016

STATUS

editing

approved

#8 by Charles R Greathouse IV at Fri Feb 19 08:39:55 EST 2016

COMMENTS

Generalization of Carol and Kynea primes. Next term > 88000.

Next term > 88000.

PROG

(PARI) is(n)=ispseudoprime((2^n+1)^3-2) \\ Charles R Greathouse IV, Feb 19 2016

STATUS

approved

editing

#7 by R. J. Mathar at Thu Dec 12 12:47:11 EST 2013

STATUS

editing

approved