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Revision History for A277319

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Showing entries 1-10 | older changes

A277319

Numbers k such that A048675(k) is a prime.
(history; published version)

#39 by Michel Marcus at Mon Jan 16 08:07:31 EST 2023

STATUS

reviewed

approved

#38 by Joerg Arndt at Mon Jan 16 02:34:43 EST 2023

STATUS

proposed

reviewed

#37 by Jon E. Schoenfield at Mon Jan 16 00:49:43 EST 2023

STATUS

editing

proposed

#36 by Jon E. Schoenfield at Mon Jan 16 00:49:41 EST 2023

NAME

Numbers n k such that A048675(nk) is a prime.

COMMENTS

After 3 and 4 each a(n) term is an even number with an odd exponent of 2. - David A. Corneth and Antti Karttunen, Oct 11 2016

STATUS

approved

editing

#35 by Joerg Arndt at Fri Apr 30 08:06:17 EDT 2021

STATUS

reviewed

approved

#34 by Michel Marcus at Fri Apr 30 08:03:34 EDT 2021

STATUS

proposed

reviewed

#33 by F. Chapoton at Fri Apr 30 07:58:04 EDT 2021

STATUS

editing

proposed

#32 by F. Chapoton at Fri Apr 30 07:57:58 EDT 2021

PROG

print ([n for n in range(1, 1001) if isprime(a048675(n))] ) # Indranil Ghosh, Jun 19 2017

STATUS

approved

editing

Discussion

Fri Apr 30

07:58

F. Chapoton: adapt py code to py3

#31 by N. J. A. Sloane at Sat Dec 07 12:18:28 EST 2019

PROG

print [n for n in xrangerange(1, 1001) if isprime(a048675(n))] # Indranil Ghosh, Jun 19 2017

Discussion

Sat Dec 07

12:18

OEIS Server: https://oeis.org/edit/global/2837

#30 by Bruno Berselli at Mon Jun 19 09:46:08 EDT 2017

STATUS

proposed

approved