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Search: id:A046370
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A046370 Numbers with exactly 4 palindromic prime factors (counted with multiplicity). +0
2
16, 24, 36, 40, 54, 56, 60, 81, 84, 88, 90, 100, 126, 132, 135, 140, 150, 189, 196, 198, 210, 220, 225, 250, 294, 297, 308, 315, 330, 350, 375, 441, 462, 484, 490, 495, 525, 550, 625, 686, 693, 726, 735, 770, 808, 825, 875, 1029, 1048, 1078, 1089, 1155, 1208 (list; graph; listen)
OFFSET

0,1

CROSSREFS

Cf. A014613, A046402.

Adjacent sequences: A046367 A046368 A046369 this_sequence A046371 A046372 A046373

Sequence in context: A067028 A110893 A014613 this_sequence A103248 A140135 A120142

KEYWORD

nonn

AUTHOR

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

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Last modified July 4 09:27 EDT 2009. Contains 160562 sequences.


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