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Revision History for A020480 (Underlined text is an addition; strikethrough text is a deletion.)

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A020480 Primes p which divide no f(q)-1 or f(q)+1 for prime q < p, where f(q) is the product of all primes <= q.
(history; published version)
#6 by Russ Cox at Fri Mar 30 18:35:14 EDT 2012
AUTHOR

_David W. Wilson (davidwwilson(AT)comcast.net)_

Discussion
Fri Mar 30 18:35
OEIS Server: https://oeis.org/edit/global/202
#5 by N. J. A. Sloane at Sat Sep 13 03:00:00 EDT 2003
KEYWORD

nonn,new

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)attbicomcast.comnet)

#4 by N. J. A. Sloane at Fri May 16 03:00:00 EDT 2003
KEYWORD

nonn,new

nonn

AUTHOR

dww

David W. Wilson (davidwwilson(AT)attbi.com)

#3 by N. J. A. Sloane at Mon May 08 03:00:00 EDT 2000
KEYWORD

nonn,new

nonn

AUTHOR

wilson@ctron.com

dww

#2 by N. J. A. Sloane at Sun Jun 14 03:00:00 EDT 1998
REFERENCES

KEYWORD

nonn,new

nonn

AUTHOR

wilson@dalek.ctron.com

#1 by N. J. A. Sloane at Wed Dec 11 03:00:00 EST 1996
NAME

Primes p which divide no f(q)-1 or f(q)+1 for prime q < p, where f(q) is the product of all primes <= q.

DATA

2, 13, 17, 23, 41, 43, 47, 67, 71, 83, 89, 101, 103, 107, 109, 113, 127, 137, 151, 157, 179, 193, 199, 227, 233, 239, 241, 251, 257, 263, 269, 281, 283, 293, 337, 353, 359, 367, 373, 379, 383, 397, 401, 419, 421, 431, 433, 439, 449, 457, 461, 479, 487, 491, 499, 503, 523

OFFSET

1,1

REFERENCES

KEYWORD

nonn

AUTHOR

wilson@dalek.ctron.com

STATUS

approved

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Last modified August 29 17:19 EDT 2024. Contains 375518 sequences. (Running on oeis4.)