A062176 - OEIS

%I #10 Jun 01 2018 06:55:29

%S 0,1,1,1,0,5,1,5,7,5,1,5,1,5,10,13,1,11,1,5,4,5,1,5,0,5,16,13,1,5,1,

%T 13,25,5,30,29,1,5,25,5,1,17,1,37,25,5,1,29,43,25,25,21,1,11,20,5,25,

%U 5,1,5,1,5,25,13,40,23,1,57,25,55,1,29,1,5,25,49,16,5,1,45,16,5,1,17,30,5

%N a(n) = 5^(n-1) mod n.

%H Harry J. Smith, <a href="/A062176/b062176.txt">Table of n, a(n) for n = 1..1000</a>

%H <a href="/index/Ps#pseudoprimes">Index entries for sequences related to pseudoprimes</a>

%o (PARI) { for (n=1, 1000, write("b062176.txt", n, " ", 5^(n - 1)%n) ) } \\ _Harry J. Smith_, Aug 02 2009

%Y Cf. A062172.

%K nonn

%O 1,6

%A _Henry Bottomley_, Jun 12 2001