%I A152904
%S A152904 1,1,1,1,1,1,0,1,1,1,1,0,1,1,1,1,1,0,1,1,1,1,1,1,0,1,1,1,
%T A152904 0,1,1,1,0,1,1,1,0,0,1,1,1,0,1,1,1,1,0,0,1,1,1,0,1,1,1,1,1,
%U A152904 0,0,1,1,1,0,1,1,1
%V A152904 1,-1,1,-1,-1,1,0,-1,-1,1,-1,0,-1,-1,1,1,-1,0,-1,-1,1,-1,1,-1,0,-1,-1,
               1,
%W A152904 0,-1,1,-1,0,-1,-1,1,0,0,-1,1,-1,0,-1,-1,1,1,0,0,-1,1,-1,0,-1,-1,1,-1,
               1,
%X A152904 0,0,-1,1,-1,0,-1,-1,1
%N A152904 Triangle read by rows: T(n,k) = A008683(n-k+1); 1<=k<=n; mu(n) "decrescendo".
%C A152904 Row sums = A002321, the Mertens function.
%F A152904 Triangle read by rows, T(n,k) = A008683(n-k+1) = A008683 in every column 
               = A008683 "decrescendo"d by rows.
%e A152904 1;
%e A152904 -1, 1;
%e A152904 -1, -1, 1;
%e A152904 0, -1, -1, 1;
%e A152904 -1, 0, -1, -1, 1;
%e A152904 1, -1, 0, -1, -1, 1;
%e A152904 -1, 1, -1, 0, -1, -1, 1;
%e A152904 0, -1, 1, -1, 0, -1, -1, 1;
%e A152904 0, 0, -1, 1, -1, 0, -1, -1, 1;
%e A152904 ...
%Y A152904 Cf. A008683, A002321, A152901, A152902
%Y A152904 Sequence in context: A070950 A141679 A071027 this_sequence A118102 A089509 
               A157972
%Y A152904 Adjacent sequences: A152901 A152902 A152903 this_sequence A152905 A152906 
               A152907
%K A152904 tabl,sign
%O A152904 1,1
%A A152904 Gary W. Adamson (qntmpkt(AT)yahoo.com), Dec 14 2008