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A127807 Least positive primitive root of (n-th prime)^2. 4
3, 2, 2, 3, 2, 2, 3, 2, 5, 2, 3, 2, 6, 3, 5, 2, 2, 2, 2, 7, 5, 3, 2, 3, 5, 2, 5, 2, 6, 3, 3, 2, 3, 2, 2, 6, 5, 2, 5, 2, 2, 2, 19, 5, 2, 3, 2, 3, 2, 6, 3, 7, 7, 6, 3, 5, 2, 6, 5, 3, 3, 2, 5, 17, 10, 2, 3, 10, 2, 2, 3, 7, 6, 2, 2, 5, 2, 5, 3, 21, 2, 2, 7, 5, 15, 2, 3, 13, 2, 3, 2, 13, 3, 2, 7, 5, 2, 3, 2, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A055578 lists the indices n such that a(n) differs from A001918(n).

LINKS

Table of n, a(n) for n=1..100.

MATHEMATICA

<< NumberTheory`NumberTheoryFunctions` Table[PrimitiveRoot[(Prime[n])^2], {n, 1, 100}]

PrimitiveRoot[Prime[Range[100]]^2] (* Harvey P. Dale, Aug 19 2017 *)

CROSSREFS

Cf. A001918, A127808, A127809, A127810.

Sequence in context: A281977 A240666 A052901 * A122028 A245070 A270226

Adjacent sequences:  A127804 A127805 A127806 * A127808 A127809 A127810

KEYWORD

nonn,easy

AUTHOR

Artur Jasinski, Jan 29 2007

STATUS

approved

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Last modified August 21 22:32 EDT 2019. Contains 326169 sequences. (Running on oeis4.)