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A046368 Numbers with exactly 2 palindromic prime factors (counted with multiplicity). +0
4
4, 6, 9, 10, 14, 15, 21, 22, 25, 33, 35, 49, 55, 77, 121, 202, 262, 302, 303, 362, 382, 393, 453, 505, 543, 573, 626, 655, 706, 707, 746, 755, 766, 905, 917, 939, 955, 1057, 1059, 1111, 1119, 1149, 1267, 1337, 1441, 1454, 1514, 1565, 1574, 1594, 1661, 1765 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Cf. A001358, A046400.

Sequence in context: A103607 A108574 A157931 this_sequence A113433 A115654 A036326

Adjacent sequences: A046365 A046366 A046367 this_sequence A046369 A046370 A046371

KEYWORD

nonn

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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