%I A159955
%S A159955 0,1,2,1,2,0,2,0,1,0,1,2,1,2,0,2,0,1,0,1,2,1,2,0,2,0,1,0,1,2,1,2,0,2,0,
%T A159955 1,0,1,2,1,2,0,2,0,1,0,1,2,1,2,0,2,0,1,0,1,2,1,2,0,2,0,1,0,1,2,1,2,0,2,
%U A159955 0,1,0,1,2,1,2,0,2,0,1,0,1,2,1,2,0,2,0,1,0,1,2,1,2,0,2,0,1
%N A159955 Period 9 : 0,1,2,1,2,0,2,0,1 .
%F A159955 a(n+9)=a(n) with a(0)=a(5)=a(7)=0, a(1)=a(3)=a(8)=1, a(2)=a(4)=a(6)=2 
               .
%F A159955 a(n)=(1/36)*{5*(n mod 9)-3*[(n+1) mod 9]+9*[(n+2) mod 9]-7*[(n+3) mod 
               9]+9*[(n+4) mod 9]-3*[(n+5) mod 9]+5*[(n+6) mod 9]-3*[(n+7) mod 9]-3*[(n+8) 
               mod 9]}, with n>=0 [From Paolo P. Lava (ppl(AT)spl.at), Nov 12 2009]
%Y A159955 Sequence in context: A118231 A166453 A118233 this_sequence A053838 A117167 
               A117169
%Y A159955 Adjacent sequences: A159952 A159953 A159954 this_sequence A159956 A159957 
               A159958
%K A159955 easy,nonn,new
%O A159955 0,3
%A A159955 Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Apr 27 2009