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A009944
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Left-right/right-left numbers: n = pq such that n=q_reversed*p_reversed.
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1
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126, 153, 688, 187029, 223524, 267034, 1574253, 10013323, 10353244, 36528975, 109019911, 116257833, 1958249722, 2285044524, 2996225824, 6264507888, 10544814252, 15742574253, 31951523916, 35497206387, 62967699976
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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COMMENTS
| A subset of A179482; only two factors permitted [From Adam Kertesz (Kertesz.Adam(AT)gmail.com), Aug 07 2010]
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EXAMPLE
| E.g. 223524 = 42 * 5322.
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CROSSREFS
| Cf. A179482 [From Adam Kertesz (Kertesz.Adam(AT)gmail.com), Aug 07 2010]
Sequence in context: A025380 A020342 A179482 * A203566 A104395 A109024
Adjacent sequences: A009941 A009942 A009943 * A009945 A009946 A009947
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KEYWORD
| base,nonn,nice
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AUTHOR
| Mario Velucchi (mathchess(AT)velucchi.it)
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EXTENSIONS
| David W. Wilson (davidwwilson(AT)comcast.net) has verified that all terms shown are correct - Thu Sep 28 16:28:03 2000
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