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A176001 Det(M) where M is an n X n matrix with M(i,j) = floor(sin(i-j)). 1

%I #9 Mar 31 2012 10:26:26

%S 0,0,0,0,-1,-2,-3,-3,-3,-3,-4,-5,-6,-6,-6,-6,-7,-8,-9,-9,-9,-9,-10,

%T -11,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,

%U -12,-12,-12,-12,-12,-12,-12,-13,-14,-15,-16,-17,-18,-19,-20,-21,-22,-23

%N Det(M) where M is an n X n matrix with M(i,j) = floor(sin(i-j)).

%t M[n_] := Table[Floor[Sin[i - j]], {i, n}, {j, n}];aux=Table[Det[M[n]], {n, 150}]; ListPlot[aux]

%K sign

%O 1,6

%A _José María Grau Ribas_, Apr 05 2010

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Last modified August 29 23:09 EDT 2024. Contains 375519 sequences. (Running on oeis4.)