%I #3 Mar 30 2012 18:51:21
%S 1,2,1,2,1,2,3,2,3,2,5,2,3,4,1,2,2,4,9,2,3,6,11,2,5,4,9,4,7,2,5,3,5,3,
%T 3,4,9,10,3,2,5,4,7,6,3,12,23,2,21,6,2,4,13,10,5,4,9,8,29,2,15,6,3,3,
%U 3,6,33,3,11,4,35,4,9,10,5,10,15,4,39,2,27,6,41,4,2,8,7,6,11,4,3,12,5,24
%N Number of powers of 16 modulo n.
%K easy,nonn
%O 1,2
%A _Henry Bottomley_, Apr 20 2000
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