%I A126811
%S A126811 1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,
%T A126811 0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
%U A126811 0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
%N A126811 Ramanujan numbers (A000594) read mod 2.
%D A126811 H. P. F. Swinnerton-Dyer, On l-adic representations and congruences for 
               coefficients, of modular forms, pp. 1-55 of Modular Functions of 
               One Variable III (Antwerp 1972), Lect. Notes Math., 350, 1973.
%Y A126811 Cf. A000594.
%Y A126811 Sequence in context: A014954 A015899 A015494 this_sequence A014057 A015689 
               A104124
%Y A126811 Adjacent sequences: A126808 A126809 A126810 this_sequence A126812 A126813 
               A126814
%K A126811 nonn
%O A126811 1,1
%A A126811 N. J. A. Sloane (njas(AT)research.att.com), Feb 25 2007