The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A067784 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A067784

Numbers k such that prime(k+1)^4 == prime(k)^4 (mod k).
(history; published version)

#17 by Michel Marcus at Thu Feb 11 01:40:41 EST 2021

STATUS

reviewed

approved

#16 by Joerg Arndt at Thu Feb 11 01:21:58 EST 2021

STATUS

proposed

reviewed

#15 by Jon E. Schoenfield at Wed Feb 10 21:09:18 EST 2021

STATUS

editing

proposed

#14 by Jon E. Schoenfield at Wed Feb 10 21:09:16 EST 2021

NAME

Numbers n k such that prime(nk+1)^4 == prime(nk)^4 (mod nk).

STATUS

approved

editing

#13 by Bruno Berselli at Wed May 17 02:40:00 EDT 2017

STATUS

proposed

approved

#12 by Michel Marcus at Wed May 17 00:38:41 EDT 2017

STATUS

editing

proposed

#11 by Michel Marcus at Wed May 17 00:38:33 EDT 2017

CROSSREFS

Cf. A030514, A067785.

STATUS

proposed

editing

#10 by G. C. Greubel at Wed May 17 00:25:45 EDT 2017

STATUS

editing

proposed

#9 by G. C. Greubel at Wed May 17 00:25:36 EDT 2017

MATHEMATICA

Select[Range[100], Mod[Prime[# + 1]^4 , #] == Mod[Prime[#]^4, #] &] (* G. C. Greubel, May 17 2017 *)

STATUS

proposed

editing

#8 by Robert Israel at Tue May 16 21:06:30 EDT 2017

STATUS

editing

proposed