The On-Line Encyclopedia of Integer Sequences® (OEIS®)

Revision History for A087490 (Underlined text is an addition; strikethrough text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A087490

Primes p such that 4^p - 3^p is composite.
(history; published version)

#12 by Michael De Vlieger at Mon Jul 18 14:23:03 EDT 2022

STATUS

reviewed

approved

#11 by Michel Marcus at Mon Jul 18 10:08:50 EDT 2022

STATUS

proposed

reviewed

#10 by Mohammed Yaseen at Mon Jul 18 10:05:56 EDT 2022

STATUS

editing

proposed

#9 by Mohammed Yaseen at Mon Jul 18 10:05:24 EDT 2022

	OFFSET	`21,1`
	CROSSREFS	`Primes p such that k^p - (k-1)^p is composite: A087489 (k=3), this sequence (k=4), A087685 (k=5), A087749 (k=6), A087759 (k=7), A087763 (k=8), A087894 (k=9), A087895 (k=10).`
	EXTENSIONS	`Offset corrected by Mohammed Yaseen, Jul 18 2022`
	STATUS	`approved` `editing`

#8 by Susanna Cuyler at Tue Feb 16 01:00:11 EST 2021

STATUS

proposed

approved

#7 by Michel Marcus at Tue Feb 16 00:03:24 EST 2021

STATUS

editing

proposed

#6 by Michel Marcus at Tue Feb 16 00:03:22 EST 2021

CROSSREFS

STATUS

proposed

editing

#5 by Jon E. Schoenfield at Mon Feb 15 23:43:12 EST 2021

STATUS

editing

proposed

#4 by Jon E. Schoenfield at Mon Feb 15 23:43:11 EST 2021

NAME

Primes np such that 4^n-p - 3^np is composite.

STATUS

approved

editing

#3 by N. J. A. Sloane at Tue Oct 01 17:57:43 EDT 2013

AUTHOR

_Cino Hilliard (hillcino368(AT)gmail.com), _, Oct 26 2003

Discussion
Tue Oct 01	17:57	OEIS Server: https://oeis.org/edit/global/1955

Last modified August 29 15:03 EDT 2024. Contains 375517 sequences. (Running on oeis4.)