Search: id:A071793
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%I A071793
%S A071793 4,9,4,9,4,9,4,9,4,9,4,9,4,9,4,9,4,9,4,8,3,8,3,8,3,8,3,8,3,8,3,8,3,8,3,
%T A071793 8,3,8,3,7,2,7,2,7,2,7,2,7,2,7,2,7,2,7,2,7,2,7,2,6,1,6,1,6,1,6,1,6,1,6,
%U A071793 1,6,1,6,1,6,1,6,1,5,0,5,0,5,0,5,0,5,0,5,0,5,0,5,0,5,0,5,9,4
%N A071793 Decimal expansion of the fifth (of 10) decimal selvage number; the n-th 
               digit of a decimal selvage number, x, is equal to the tenths digit 
               of n*x.
%C A071793 The selvage number, x = sum{k=1..inf} a(k)/10^k, is a normal number, 
               but it is not known whether or not x is irrational. Is this sequence 
               periodic?
%F A071793 a(n) = floor[10*(n*x)] (Mod 10), where x = sum{k=1..inf} a(k)/10^k.
%e A071793 a(5) = 4 since floor(10*(5*x)) = 4, x=.49494949494949494948383838383838383838372727272727...
%Y A071793 Sequence in context: A068950 A021673 A141653 this_sequence A010714 A089090 
               A113484
%Y A071793 Adjacent sequences: A071790 A071791 A071792 this_sequence A071794 A071795 
               A071796
%K A071793 cons,nice,nonn
%O A071793 0,1
%A A071793 Paul D. Hanna (pauldhanna(AT)juno.com), Jun 06 2002

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