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Search: id:A046393
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A046393 Palindromes with exactly 3 distinct prime factors. +0
2
66, 222, 282, 434, 474, 494, 555, 595, 606, 646, 777, 969, 1001, 1221, 1551, 1771, 2222, 2882, 3333, 3553, 4334, 4994, 5335, 5555, 5665, 5885, 5995, 6226, 6446, 6886, 7337, 7557, 7667, 7777, 7887, 8338, 8558, 8998, 9339, 9669, 9779, 9889, 11211 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Cf. A046329, A046409.

Adjacent sequences: A046390 A046391 A046392 this_sequence A046394 A046395 A046396

Sequence in context: A044398 A044779 A074873 this_sequence A117306 A158070 A120102

KEYWORD

nonn

AUTHOR

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

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Last modified November 8 07:45 EST 2009. Contains 166143 sequences.


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