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A197219
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a(0) = 2, a(n) = Lucas(phi(n)) for n > 0.
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4
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2, 1, 1, 3, 3, 7, 3, 18, 7, 18, 7, 123, 7, 322, 18, 47, 47, 2207, 18, 5778, 47, 322, 123, 39603, 47, 15127, 322, 5778, 322, 710647, 47, 1860498, 2207, 15127, 2207, 103682, 322, 33385282, 5778, 103682, 2207, 228826127, 322, 599074578, 15127, 103682, 39603
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OFFSET
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0,1
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LINKS
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FORMULA
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MATHEMATICA
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Table[LucasL[EulerPhi[n]], {n, 0, 50}]
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PROG
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(PARI) for(n=0, 30, print1(if(n==0, 2, fibonacci(eulerphi(n)+1) + fibonacci(eulerphi(n)-1)), ", ")) \\ G. C. Greubel, Dec 22 2017
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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