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 A211242 Order of 6 mod n-th prime: least k such that prime(n) divides 6^k-1. 7
 0, 0, 1, 2, 10, 12, 16, 9, 11, 14, 6, 4, 40, 3, 23, 26, 58, 60, 33, 35, 36, 78, 82, 88, 12, 10, 102, 106, 108, 112, 126, 130, 136, 23, 37, 150, 156, 27, 83, 43, 178, 60, 19, 96, 14, 198, 105, 222, 226, 228, 232, 17, 20, 250, 256, 131, 134, 270, 276, 56, 141 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 LINKS T. D. Noe, Table of n, a(n) for n = 1..1000 MATHEMATICA nn = 6; Table[If[Mod[nn, p] == 0, 0, MultiplicativeOrder[nn, p]], {p, Prime[Range[100]]}] PROG (GAP) A000040:=Filtered([1..350], IsPrime);; List([1..Length(A000040)], n->OrderMod(6, A000040[n])); # Muniru A Asiru, Feb 06 2019 CROSSREFS Cf. A014664, A062117, A082654, A211241, A211243, A211244, A211245, A002371. Sequence in context: A057989 A050978 A053449 * A060248 A092385 A104238 Adjacent sequences:  A211239 A211240 A211241 * A211243 A211244 A211245 KEYWORD nonn AUTHOR T. D. Noe, Apr 11 2012 STATUS approved

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Last modified June 14 04:39 EDT 2021. Contains 345018 sequences. (Running on oeis4.)