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Search: id:A117765
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| A117765 |
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Lucas numbers for which the sum of the digits is a Fibonacci number. |
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+0
1
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| 1, 3, 11, 76, 521, 39603, 271443, 33385282, 370248451, 688846502588399, 71420983074726546239, 22291846172619859445381409012498, 6957708846765958465433550193562787551898761
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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The next term is too large to include. - Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), May 11 2006
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EXAMPLE
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39603 is in the sequence because (1)it is a Lucas number and (2)the sum of its digits 3+9+6+0+3=21 is a Fibonacci number.
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CROSSREFS
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Cf. A000045, A000204.
Sequence in context: A056665 A127716 A035378 this_sequence A046153 A099341 A129114
Adjacent sequences: A117762 A117763 A117764 this_sequence A117766 A117767 A117768
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KEYWORD
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base,nonn
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AUTHOR
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Luc Stevens (lms022(AT)yahoo.com), Apr 15 2006
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EXTENSIONS
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More terms from Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), May 11 2006
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