Search: id:A080868
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%I A080868
%S A080868 1,1,1,1,1,1,1,1,1,1,1,2,4,8,6,3,5,0,9,9,5,3,1,7,7,1,4,6,5,3,8,2,7,9,1,
               5,6,9,1,6,
%T A080868 0,3,7,6,6,6,7,7,1,3,5,9,9,5,3,1,8,4,2,6,9,1,0,1,7,3,9,2,5,5,8,3,3,0,7,
               7,4,1,9,6,
%U A080868 5,5,6,4,7,3,8,2,9,1,0,1,1,1,1,1,1,1,1,1,1,2,4,8,6,3,5,0,9,9,5,3,1,7,7,
               1,4,6,5,3
%N A080868 First differences of A080867, modulo 10.
%C A080868 Periodic from a(1)=1 onward, with a period of 90 terms.
%F A080868 a(n) = A080867(n+1)-A080867(n) mod 10
%p A080868 A080868 := n -> ((A080867(n+1)-A080867(n)) mod 10);
%Y A080868 Sequence in context: A132137 A011180 A103546 this_sequence A046260 A086354 
               A014257
%Y A080868 Adjacent sequences: A080865 A080866 A080867 this_sequence A080869 A080870 
               A080871
%K A080868 nonn,base
%O A080868 0,12
%A A080868 Laurent Dorey (laurentdorey(AT)wanadoo.fr) & Antti Karttunen (my_firstname.my_surname(AT)iki.fi) 
               Feb 21 2003.

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