%I #3 Mar 30 2012 18:51:21
%S 1,1,2,2,2,2,1,2,3,2,5,3,12,1,2,2,8,3,18,3,2,5,22,3,3,12,4,2,28,2,10,
%T 2,6,8,2,4,36,18,13,3,40,2,21,10,3,22,46,3,7,3,9,12,13,4,6,2,19,28,29,
%U 3,15,10,3,4,13,6,11,8,23,2,35,4,72,36,3,18,5,13,26,3,5,40,82,3,9,21,29
%N Number of powers of 15 modulo n.
%K easy,nonn
%O 1,3
%A _Henry Bottomley_, Apr 20 2000
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