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A083701
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Smallest prime having Fibonacci(n) as least primitive root, or 0 if no such prime exists.
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1
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2, 2, 3, 7, 23, 0, 457, 409, 48889, 459841, 6366361
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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EXAMPLE
| a(8) = 409 because 409 is the first prime having Fibonacci(8) = 21 as least primitive root
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MATHEMATICA
| << NumberTheory`NumberTheoryFunctions`; a = Table[ Fibonacci[i], {i, 2, 20}]; b = Table[0, {20}]; k = 1; Do[k = NextPrime[k]; j = FromDigits[ Flatten[ Position[ a, PrimitiveRoot[k]]]]; If[ b[[j]] == 0, b[[j]] = k], {n, 1, 10^6}]; b
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CROSSREFS
| Cf. A083702.
Sequence in context: A113842 A032161 A098738 * A076996 A139148 A185387
Adjacent sequences: A083698 A083699 A083700 * A083702 A083703 A083704
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KEYWORD
| nonn
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AUTHOR
| Sven Simon (sven-h.simon(AT)t-online.de), May 04 2003
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EXTENSIONS
| No other entries < 276000000. - Robert G. Wilson v (rgwv(AT)rgwv.com), May 12 2003
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