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%I #10 May 06 2018 13:06:35
%S 0,0,1,7,8,2,5,3,1,1,9,4,2,9,5,9,0,0,1,7,8,2,5,3,1,1,9,4,2,9,5,9,0,0,
%T 1,7,8,2,5,3,1,1,9,4,2,9,5,9,0,0,1,7,8,2,5,3,1,1,9,4,2,9,5,9,0,0,1,7,
%U 8,2,5,3,1,1,9,4,2,9,5,9,0,0,1,7,8,2,5,3,1,1,9,4,2,9,5,9,0,0,1
%N Decimal expansion of 1/561.
%C Periodic with period 16.
%K nonn,cons
%O 0,4
%A _N. J. A. Sloane_.