%I A143845
%S A143845 0,8,12,14,15,7,3,1,0,8,12,14,15,7,3,1,0,8,12,14,15,7,3,1,0,8,12,14,15,
               7,3,1,
%T A143845 0,8,12,14,15,7,3,1,0,8,12,14,15,7,3,1,0,8,12,14,15,7,3,1,0,8,12,14,15,
               7,3,1,
%U A143845 0,8,12,14,15,7,3,1,0,8,12,14,15,7,3,1,0,8,12,14,15,7,3,1,0,8,12,14,15,
               7,3,1
%N A143845 See Comments line.
%C A143845 Convert the following binary numbers to base 10:
%C A143845 0000
%C A143845 1000
%C A143845 1100
%C A143845 1110
%C A143845 1111
%C A143845 0111
%C A143845 0011
%C A143845 0001
%C A143845 0000
%C A143845 1000
%C A143845 etc.
%C A143845 Has period 8.
%F A143845 G.f.: x(x+2)(4+x^2)/((1-x)(1+x^4)). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), 
               Sep 04 2008]
%F A143845 a(n)=(1/56)*{22*(n mod 8)+29*[(n+1) mod 8]+43*[(n+2) mod 8]+71*[(n+3) 
               mod 8]+8*[(n+4) mod 8]+[(n+5) mod 8]-13*[(n+6) mod 8]-41*[(n+7) mod 
               8]}, with n>=0 [From Paolo P. Lava (ppl(AT)spl.at), Sep 19 2008]
%Y A143845 Cf. A117589.
%Y A143845 Sequence in context: A014453 A160862 A152077 this_sequence A048868 A106669 
               A108979
%Y A143845 Adjacent sequences: A143842 A143843 A143844 this_sequence A143846 A143847 
               A143848
%K A143845 nonn
%O A143845 0,2
%A A143845 Cassandra (ca947(AT)nyu.edu), Sep 03 2008
%E A143845 Edited by N. J. A. Sloane (njas(AT)research.att.com), Sep 03 2008