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 A074228 Even bases k for which the smallest (Fermat) pseudoprime greater than k has Moebius function mu = -1. 2
 104, 148, 164, 190, 194, 230, 254, 272, 284, 344, 348, 356, 358, 384, 388, 398, 428, 434, 442, 448, 454, 464, 478, 482, 490, 508, 520, 554, 556, 560, 568, 586, 594, 598, 608, 614, 626, 644, 650, 652, 662, 664, 704, 708, 714, 740, 742, 758, 776, 794, 796 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Amiram Eldar, Table of n, a(n) for n = 1..10000 MATHEMATICA q[n_] := Module[{k = n + 1}, While[! CoprimeQ[n, k] || PrimeQ[k] || PowerMod[n, k - 1, k] != 1, k++]; MoebiusMu[k] == -1]; Select[Range[2, 800, 2], q] (* Amiram Eldar, Mar 31 2024 *) CROSSREFS Cf. A007535, A008683, A074485. Sequence in context: A253700 A260922 A054903 * A298505 A253693 A168528 Adjacent sequences: A074225 A074226 A074227 * A074229 A074230 A074231 KEYWORD easy,nonn AUTHOR Jani Melik, Sep 25 2002 EXTENSIONS Corrected and extended by D. S. McNeil, Mar 27 2009 Name corrected by Amiram Eldar, Mar 31 2024 STATUS approved

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Last modified August 12 19:26 EDT 2024. Contains 375113 sequences. (Running on oeis4.)