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Search: id:A071280
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A071280 Palindromes which are nontrivial multiples of 3 palindromes (need not be distinct). +0
1
8, 12, 16, 18, 20, 24, 24, 27, 28, 30, 32, 32, 36, 36, 36, 40, 42, 44, 45, 48, 48, 48, 50, 54, 54, 56, 60, 60, 63, 64, 64, 66, 70, 72, 72, 72, 72, 75, 80, 80, 81, 84, 84, 88, 88, 90, 90, 96, 96, 96, 98, 99, 100, 105, 108, 108, 108, 110, 112, 112, 120, 120, 125, 126, 126, 128 (list; graph; listen)
OFFSET

0,1

EXAMPLE

a(2)=12 because 12=2*2*3 is a product of 3 palindromes

CROSSREFS

Sequence in context: A033949 A062373 A031034 this_sequence A033942 A111087 A091375

Adjacent sequences: A071277 A071278 A071279 this_sequence A071281 A071282 A071283

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jun 07 2002

EXTENSIONS

Corrected and extended by Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jan 02 2003

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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