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A046330 Palindromes with exactly 4 prime factors (counted with multiplicity). 4
88, 232, 414, 424, 444, 484, 525, 585, 636, 666, 676, 686, 808, 858, 868, 999, 1881, 2002, 2332, 2442, 2662, 3003, 3663, 3773, 3993, 4114, 4444, 4774, 5005, 5115, 5225, 6116, 6556, 6666, 7007, 7227, 8668, 9999, 10101, 10701, 11011, 12321, 13431 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

John Cerkan, Table of n, a(n) for n = 1..10000

CROSSREFS

Cf. A014613, A046317, A046410.

Sequence in context: A062036 A184022 A116448 * A261142 A001347 A003782

Adjacent sequences:  A046327 A046328 A046329 * A046331 A046332 A046333

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Jun 15 1998

STATUS

approved

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Last modified May 23 19:46 EDT 2017. Contains 286926 sequences.