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 A084547 Numbers n that have primitive roots less than n that are nonnegative perfect cubes. 3
 2, 11, 25, 29, 34, 50, 53, 58, 59, 83, 89, 101, 106, 107, 113, 121, 125, 131, 137, 149, 166, 167, 173, 178, 179, 197, 202, 214, 226, 227, 233, 250, 251, 257, 263, 269, 274, 281, 289, 293, 298, 317, 334, 346, 347, 353, 358, 359 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Amiram Eldar, Table of n, a(n) for n = 1..10000 EXAMPLE 89 is in the sequence because 27 is a primitive root of 89 and 27 is three cubed. MATHEMATICA q[n_] := Intersection[PrimitiveRootList[n], Range[Floor@Surd[n, 3]]^3] != {}; Select[Range[360], q] (* Amiram Eldar, Sep 25 2021 *) CROSSREFS Cf. A000578, A084548, A084549, A084550. Sequence in context: A370338 A012213 A012251 * A241238 A296285 A077482 Adjacent sequences: A084544 A084545 A084546 * A084548 A084549 A084550 KEYWORD nonn AUTHOR Hauke Worpel (hw1(AT)email.com), May 30 2003 EXTENSIONS a(1) inserted by Amiram Eldar, Sep 25 2021 STATUS approved

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Last modified February 28 07:05 EST 2024. Contains 370387 sequences. (Running on oeis4.)