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 A050975 Haupt-exponents of 3 modulo integers relatively prime to 3. 3
 1, 2, 4, 6, 2, 4, 5, 3, 6, 4, 16, 18, 4, 5, 11, 20, 3, 6, 28, 30, 8, 16, 12, 18, 18, 4, 8, 42, 10, 11, 23, 42, 20, 6, 52, 20, 6, 28, 29, 10, 30, 16, 12, 22, 16, 12, 35, 12, 18, 18, 30, 78, 4, 8, 41, 16, 42, 10, 88, 6, 22, 23, 36, 48, 42, 20, 100, 34, 6, 52, 53, 27, 20, 12 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS R. J. Mathar, Table of n, a(n) for n = 1..1000 Eric Weisstein's World of Mathematics, Multiplicative Order MAPLE A001651 := proc(n)         (3*(2*n-1)-(-1)^n)/4 ; end proc: A050975 := proc(n)         local gcd3 ;         gcd3 := A001651(n+1);         numtheory[order](3, gcd3) ; end proc: # R. J. Mathar, Oct 21 2012 CROSSREFS Cf. A002326, A002329. Sequence in context: A056649 A075242 A161489 * A053446 A133903 A278263 Adjacent sequences:  A050972 A050973 A050974 * A050976 A050977 A050978 KEYWORD nonn AUTHOR STATUS approved

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