The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A046410 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A046410

Palindromes with exactly 4 distinct palindromic prime factors.
(history; published version)

#8 by Jon E. Schoenfield at Thu Oct 10 22:43:00 EDT 2019

STATUS

editing

approved

#7 by Jon E. Schoenfield at Thu Oct 10 22:42:57 EDT 2019

AUTHOR

Patrick De Geest, Jun 15 1998.

STATUS

approved

editing

#6 by Charles R Greathouse IV at Fri Aug 24 10:48:00 EDT 2012

AUTHOR

_Patrick De Geest (pdg(AT)worldofnumbers.com), _, Jun 15 1998.

Discussion

Fri Aug 24

10:48

OEIS Server: https://oeis.org/edit/global/1824

#5 by Russ Cox at Fri Mar 30 17:34:47 EDT 2012

EXTENSIONS

a(10)-a(17) from _Donovan Johnson (donovan.johnson(AT)yahoo.com), _, Jul 20 2010

Discussion

Fri Mar 30

17:34

OEIS Server: https://oeis.org/edit/global/163

#4 by N. J. A. Sloane at Sat Jul 31 03:00:00 EDT 2010

DATA

6666, 22888822, 66888866, 413979314, 2228668222, 2668668662, 2888668882, 3315115133, 6668228666, 200446644002, 222266662222, 222446644222, 224488884422, 228866668822, 244666666442, 246664466642, 246686686642

KEYWORD

nonn,more,base,new

EXTENSIONS

a(10)-a(17) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Jul 20 2010

#3 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009

OFFSET

0,1,1

KEYWORD

nonn,more,newbase

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

KEYWORD

nonn,more,new

AUTHOR

Patrick De Geest (Patrick.DeGeest@pingpdg(AT)worldofnumbers.becom), June Jun 15 1998.

#1 by N. J. A. Sloane at Sat Dec 11 03:00:00 EST 1999

NAME

Palindromes with exactly 4 distinct palindromic prime factors.

DATA

6666, 22888822, 66888866, 413979314, 2228668222, 2668668662, 2888668882, 3315115133, 6668228666

OFFSET

0,1

CROSSREFS

Cf. A046330, A046378.

KEYWORD

nonn,more

AUTHOR

Patrick De Geest (Patrick.DeGeest@ping.be), June 1998.

STATUS

approved