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Search: id:A046338
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A046338 Palindromes with an even number of prime factors (counted with multiplicity). +0
2
4, 6, 9, 22, 33, 55, 77, 88, 111, 121, 141, 161, 202, 232, 262, 303, 323, 393, 414, 424, 444, 454, 484, 505, 515, 525, 535, 545, 565, 585, 626, 636, 666, 676, 686, 707, 717, 737, 767, 808, 818, 838, 858, 868, 878, 898, 939, 949, 959, 979, 989, 999, 1111, 1441 (list; graph; listen)
OFFSET

0,1

CROSSREFS

Cf. A028260, A046337.

Adjacent sequences: A046335 A046336 A046337 this_sequence A046339 A046340 A046341

Sequence in context: A115681 A137253 A035135 this_sequence A118690 A084994 A046328

KEYWORD

nonn,base

AUTHOR

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

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.


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