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A046410 Palindromes with exactly 4 distinct palindromic prime factors. 3
6666, 22888822, 66888866, 413979314, 2228668222, 2668668662, 2888668882, 3315115133, 6668228666, 200446644002, 222266662222, 222446644222, 224488884422, 228866668822, 244666666442, 246664466642, 246686686642 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..17.

CROSSREFS

Cf. A046330, A046378.

Sequence in context: A236733 A015310 A043516 * A098936 A206008 A031846

Adjacent sequences:  A046407 A046408 A046409 * A046411 A046412 A046413

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Jun 15 1998.

EXTENSIONS

a(10)-a(17) from Donovan Johnson, Jul 20 2010

STATUS

approved

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Last modified July 20 11:55 EDT 2018. Contains 312804 sequences. (Running on oeis4.)