%I A138287
%S A138287 0,2,8,4,6,6,4,8,2,0,0,2,8,4,6,6,4,8,2,0,0,2,8,4,6,6,4,8,2,0,0,2,8,4,6,
%T A138287 6,4,8,2,0,0,2,8,4,6,6,4,8,2,0,0,2,8,4,6,6,4,8,2,0,0,2,8,4,6,6,4,8,2,0,
%U A138287 0,2,8,4,6,6,4,8,2,0,0,2,8,4,6,6,4,8,2,0,0,2,8,4,6,6,4,8,2,0,0,2,8,4,6
%N A138287 Palindromic period 10: repeat 0, 2, 8, 4, 6, 6, 4, 8, 2, 0.
%F A138287 a(n)=(1/45)*{4*(n mod 10)+13*[(n+1) mod 10]+31*[(n+2) mod 10]-14*[(n+3) 
               mod 10]+13*[(n+4) mod 10]+4*[(n+5) mod 10]-5*[(n+6) mod 10]+22*[(n+7) 
               mod 10]-23*[(n+8) mod 10]-5*[(n+9) mod 10]} - Paolo P. Lava (ppl(AT)spl.at), 
               May 07 2008
%Y A138287 Cf. A117616.
%Y A138287 Sequence in context: A086311 A105351 A019611 this_sequence A101314 A054530 
               A151928
%Y A138287 Adjacent sequences: A138284 A138285 A138286 this_sequence A138288 A138289 
               A138290
%K A138287 nonn
%O A138287 0,2
%A A138287 Paul Curtz (bpcrtz(AT)free.fr), May 06 2008