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A117765 Lucas numbers for which the sum of the digits is a Fibonacci number. 0
1, 3, 11, 76, 521, 39603, 271443, 33385282, 370248451, 688846502588399, 71420983074726546239, 22291846172619859445381409012498, 6957708846765958465433550193562787551898761 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
The next term is too large to include. - Joshua Zucker, May 11 2006
LINKS
EXAMPLE
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.
MATHEMATICA
With[{fibs=Fibonacci[Range[50]]}, Select[LucasL[Range[300]], MemberQ[ fibs, Total[ IntegerDigits[#]]]&]] (* Harvey P. Dale, Mar 28 2015 *)
CROSSREFS
Sequence in context: A181388 A196691 A197064 * A220146 A046153 A163856
KEYWORD
base,nonn
AUTHOR
Luc Stevens (lms022(AT)yahoo.com), Apr 15 2006
EXTENSIONS
More terms from Joshua Zucker, May 11 2006
STATUS
approved

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Last modified November 29 20:40 EST 2023. Contains 367447 sequences. (Running on oeis4.)