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Inverse of number-theoretic triangle A109974.
1

%I #2 Mar 30 2012 18:59:08

%S 1,-2,1,4,-3,1,-15,11,-5,1,107,-76,35,-9,1,-1475,1041,-476,125,-17,1,

%T 40914,-28858,13177,-3460,479,-33,1,-2327019,1641270,-749336,196731,

%U -27260,1901,-65,1,271813931,-191712888,87527566,-22979242,3184213,-222196,7655,-129,1,-64930439315,45796039830

%N Inverse of number-theoretic triangle A109974.

%e Rows begin

%e 1;

%e -2,1;

%e 4,-3,1;

%e -15,11,-5,1;

%e 107,-76,35,-9,1;

%e -1475,1041,-476,125,-17,1;

%K sign,tabl

%O 0,2

%A _Paul Barry_, Jul 06 2005