

A062117


Order of 3 mod nth prime.


18



1, 0, 4, 6, 5, 3, 16, 18, 11, 28, 30, 18, 8, 42, 23, 52, 29, 10, 22, 35, 12, 78, 41, 88, 48, 100, 34, 53, 27, 112, 126, 65, 136, 138, 148, 50, 78, 162, 83, 172, 89, 45, 95, 16, 196, 198, 210, 222, 113, 57, 232, 119, 120, 125, 256, 131, 268, 30, 69, 280, 282, 292, 34
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OFFSET

1,3


LINKS

T. D. Noe, Table of n, a(n) for n = 1..10000


EXAMPLE

The 3rd prime is 5 and mod 5, 3^4 = 1, so a(3) = 4.


MATHEMATICA

Table[With[{p=Prime[n]}, If[p==3, 0, MultiplicativeOrder[3, p]]], {n, 63}] (* Ray Chandler, Apr 06 2016 *)


PROG

(GAP) A000040:=Filtered([1..350], IsPrime);;
List([1..Length(A000040)], n>OrderMod(3, A000040[n])); # Muniru A Asiru, Feb 07 2019


CROSSREFS

Cf. A002326, A014664, A036118, A036119.
Sequence in context: A256682 A303404 A002245 * A200497 A271365 A088559
Adjacent sequences: A062114 A062115 A062116 * A062118 A062119 A062120


KEYWORD

easy,nonn


AUTHOR

Olivier Gérard, Jun 06 2001


STATUS

approved



