OFFSET
1,3
LINKS
Alois P. Heinz, Table of n, a(n) for n = 1..10000
MAPLE
a:= proc(n) local m;
for m from 2 to n-1 do
if m &^ 4 mod n = 1 then return m fi
od; 1
end:
seq(a(n), n=1..100); # Alois P. Heinz, Jun 29 2014
MATHEMATICA
a[n_] := (For[m = 2, m <= n - 1, m++, If[PowerMod[m, 4, n] == 1, Return[m]]]; 1); Table[a[n], {n, 1, 100}] (* Jean-François Alcover, Jul 20 2015 *)
PROG
(PARI) a(n) = {for (m=2, n-1, if (lift(Mod(m, n)^4) == 1, return (m)); ); return (1); } \\ Michel Marcus, Jun 29 2014
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, May 08 2002
STATUS
approved