The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A038525 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A038525

Numbers n with property that either the n-th Fibonacci number is prime or the concatenation of its prime factors is prime.
(history; published version)

#15 by N. J. A. Sloane at Sun Jan 17 11:10:16 EST 2021

STATUS

reviewed

approved

#14 by Joerg Arndt at Sun Jan 17 03:16:38 EST 2021

STATUS

proposed

reviewed

#13 by Michel Marcus at Sun Jan 17 01:50:38 EST 2021

STATUS

editing

proposed

#12 by Michel Marcus at Sun Jan 17 01:50:35 EST 2021

CROSSREFS

Cf. A000045, A037276, A038526.

KEYWORD

more,nonn,base,more,changed

STATUS

proposed

editing

#11 by Sean A. Irvine at Sat Jan 16 22:02:39 EST 2021

STATUS

editing

proposed

#10 by Sean A. Irvine at Sat Jan 16 22:02:31 EST 2021

DATA

3, 4, 5, 7, 8, 11, 13, 17, 23, 24, 28, 29, 34, 43, 47, 50, 52, 58, 71, 77, 83, 131, 137, 163, 197, 235, 238, 319, 359, 431, 433, 449, 509, 569, 570, 571, 669, 949, 958, 1211, 1305

EXTENSIONS

More terms from Sean A. Irvine, Jan 16 2021

STATUS

approved

editing

#9 by Alois P. Heinz at Mon Nov 03 01:15:45 EST 2014

STATUS

editing

approved

#8 by Alois P. Heinz at Mon Nov 03 01:15:37 EST 2014

EXTENSIONS

More terms from _Thomas Baruchel (baruchel(AT)users.sourceforge.net), _, Oct 11 2003

STATUS

approved

editing

#7 by N. J. A. Sloane at Sun May 19 12:18:40 EDT 2013

AUTHOR

Jeff Burch (gburch(AT)erols.com)

Jeff Burch

Discussion

Sun May 19

12:18

OEIS Server: https://oeis.org/edit/global/1922

#6 by Russ Cox at Fri Mar 30 17:38:34 EDT 2012

COMMENTS

Up to and including a(17)=52, the sequence are the n such that A038526(n) is prime. Extrapolating, one would expect it to continue 83,86,93,95,131,137,139,174,182,... - _R. J. Mathar (mathar(AT)strw.leidenuniv.nl), _, Oct 12 2007

Discussion

Fri Mar 30

17:38

OEIS Server: https://oeis.org/edit/global/190