%I A077010
%S A077010 1,1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,0,1,1,1,1,1,0,1,1,0,1,1,1,1,1,1,1,1,0,
%T A077010 1,1,1,1,1,1,1,1,0,1,0,1,0,1,0,1,1,0,1,1,1,1,1,0,1,1,0,1,1,1,1,1,0,1,1,
%U A077010 0,1,0,0,1,1,0,1,1,0,1,1,0,1,1,1,1,1,0,1,1,1,1,1,1,1,1,0,1,1
%V A077010 1,1,1,1,1,1,1,0,1,1,-1,1,1,1,1,1,0,1,1,-1,1,1,0,1,1,0,1,1,-1,1,1,-1,-1,
               1,0,1,1,1,1,1,
%W A077010 1,1,1,0,1,0,-1,0,1,0,1,1,0,1,1,-1,1,1,0,1,1,0,1,1,-1,1,1,0,1,1,0,1,0,
               0,1,1,0,1,1,0,
%X A077010 -1,1,0,1,1,-1,1,-1,0,1,1,-1,1,1,1,1,1,0,1,1
%N A077010 Jacobi symbol(sigma(2n+1),2n+1).
%C A077010 Jacobi symbol(n,m) is defined only for (positive) odd numbers m.
%t A077010 Table[JacobiSymbol[DivisorSigma[1, 2 j + 1], 2 j + 1], {j, 0, 99}]
%Y A077010 Sequence in context: A053864 A129667 A071374 this_sequence A166280 A070887 
               A110242
%Y A077010 Adjacent sequences: A077007 A077008 A077009 this_sequence A077011 A077012 
               A077013
%K A077010 sign
%O A077010 0,1
%A A077010 Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Nov 28 2002