%I A021576
%S A021576 0,0,1,7,4,8,2,5,1,7,4,8,2,5,1,7,4,8,2,5,1,7,4,8,2,5,1,7,4,8,2,5,1,
%T A021576 7,4,8,2,5,1,7,4,8,2,5,1,7,4,8,2,5,1,7,4,8,2,5,1,7,4,8,2,5,1,7,4,8,
%U A021576 2,5,1,7,4,8,2,5,1,7,4,8,2,5,1,7,4,8,2,5,1,7,4,8,2,5,1,7,4,8,2,5,1
%N A021576 Decimal expansion of 1/572.
%F A021576 a(n)=(1/30)*{39*(n mod 6)-11*[(n+1) mod 6]+24*[(n+2) mod 6]-21*[(n+3) 
               mod 6]+29*[(n+4) mod 6]-6*[(n+5) mod 6]}-2*[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), Nov 20 
               2009]
%Y A021576 Sequence in context: A050996 A085541 A133055 this_sequence A010509 A161166 
               A092034
%Y A021576 Adjacent sequences: A021573 A021574 A021575 this_sequence A021577 A021578 
               A021579
%K A021576 nonn,cons,new
%O A021576 0,4
%A A021576 N. J. A. Sloane (njas(AT)research.att.com).