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Search: id:A115684
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A115684 Both n and the reverse of n are the product of 2 palindromes greater than 1. +0
1
4, 6, 8, 9, 12, 18, 21, 22, 24, 27, 33, 36, 40, 42, 44, 45, 54, 55, 63, 66, 72, 77, 81, 88, 99, 121, 132, 198, 202, 220, 222, 231, 242, 262, 264, 282, 297, 303, 330, 333, 363, 393, 396, 404, 424, 440, 444, 462, 464, 484, 495, 505, 555, 594, 606, 616, 626, 636 (list; graph; listen)
OFFSET

1,1

EXAMPLE

264=6*11 and 462=7*66

CROSSREFS

Cf. A002113, A115683.

Sequence in context: A028958 A036310 A046760 this_sequence A020201 A067127 A119492

Adjacent sequences: A115681 A115682 A115683 this_sequence A115685 A115686 A115687

KEYWORD

nonn,base

AUTHOR

Giovanni Resta (g.resta(AT)iit.cnr.it), Jan 31 2006

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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