Search: id:A021216
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%I A021216
%S A021216 0,0,4,7,1,6,9,8,1,1,3,2,0,7,5,4,7,1,6,9,8,1,1,3,2,0,7,5,4,7,1,6,9,
%T A021216 8,1,1,3,2,0,7,5,4,7,1,6,9,8,1,1,3,2,0,7,5,4,7,1,6,9,8,1,1,3,2,0,7,
%U A021216 5,4,7,1,6,9,8,1,1,3,2,0,7,5,4,7,1,6,9,8,1,1,3,2,0,7,5,4,7,1,6,9,8
%N A021216 Decimal expansion of 1/212.
%F A021216 a(n)=(1/169)*{-82*(n mod 13)+35*[(n+1) mod 13]+22*[(n+2) mod 13]-17*[(n+3) 
               mod 13]+9*[(n+4) mod 13]+100*[(n+5) mod 13]+22*[(n+6) mod 13]-30*[(n+7) 
               mod 13]-56*[(n+8) mod 13]+87*[(n+9) mod 13]-30*[(n+10) mod 13]+22*[(n+11) 
               mod 13]+35*[(n+12) mod 13]}-7*[C(2*n,n) mod 2]-5*{C[(n+1)^2,n+3] 
               mod 2}, with n>=0 [From Paolo P. Lava (ppl(AT)spl.at), Sep 25 2009]
%Y A021216 Sequence in context: A135004 A086234 A016490 this_sequence A085508 A019670 
               A093436
%Y A021216 Adjacent sequences: A021213 A021214 A021215 this_sequence A021217 A021218 
               A021219
%K A021216 nonn,cons
%O A021216 0,3
%A A021216 N. J. A. Sloane (njas(AT)research.att.com).

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