1,2

R. J. Mathar, Table of n, a(n) for n = 1..7999

Eric Weisstein's World of Mathematics, Multiplicative Order

n := 1 :

for i from 2 to 10000 do

if igcd(i, 5) = 1 then

printf("%d %d\n", n, numtheory[order](5, i)) ;

n := n+1 ;

end if;

end do: # R. J. Mathar, Oct 14 2014

Cf. A002326 (base 2), A050975 (base 3), A002329.

Sequence in context: A182073 A328001 A098361 * A053448 A060550 A099206

Adjacent sequences: A050974 A050975 A050976 * A050978 A050979 A050980

nonn

Eric W. Weisstein

approved