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A046395 Palindromes with exactly 5 distinct prime factors. 1
6006, 8778, 20202, 28182, 41514, 43134, 50505, 68586, 87978, 111111, 141141, 168861, 202202, 204402, 209902, 246642, 249942, 262262, 266662, 303303, 323323, 393393, 399993, 438834, 454454, 505505, 507705, 515515, 516615, 519915, 534435 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..31.

EXAMPLE

505505 = 5 * 7 * 11 * 13 * 101.

CROSSREFS

Cf. A046331.

Sequence in context: A068132 A250514 A115429 * A143043 A239176 A236975

Adjacent sequences:  A046392 A046393 A046394 * A046396 A046397 A046398

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Jun 15 1998.

STATUS

approved

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Last modified March 20 19:57 EDT 2019. Contains 321349 sequences. (Running on oeis4.)