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%I #8 Nov 21 2013 12:50:01
%S 0,1,2,1,1,1,2,1,8,0,5,4,10,6,14,10,5,10,2,1,20,1,5,10,2,1,8,1,25,1,
%T 11,10,23,1,22,1,30,10,17,10,14,19,20,19,26,20,34,1,11,1,50,26,13,19,
%U 2,28,44,37,14,19,11,1,44,38,34,49,51,60,59,53,58,1,2,19,44,19,14,70,63,10,71,1,41,28,2,10,17,10,5,46,38,10,17,37,32,37,2,72,71,83
%N (Digit sum of 5^n) mod n.
%t Table[Mod[Total[IntegerDigits[5^n]],n],{n,100}] (* _Harvey P. Dale_, Jan 05 2012 *)
%Y Cf. A000351, A066001.
%K nonn,base
%O 1,3
%A _N. J. A. Sloane_, Dec 03 2010
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