%I #2 Mar 31 2012 20:55:21
%S 1,-3,1,-1,-2,1,-1,-1,-2,1,-1,0,0,-2,1,-1,-1,-1,0,-2,1,-1,0,0,0,0,-2,
%T 1,-1,-1,0,-1,0,0,-2,1,-1,0,-1,0,0,0,0,-2,1,-1,-1,0,0,-1,0,0,0,-2,1,
%U -1,0,0,0,0,0,0,0,0,-2,1,-1,-1,-1,-1,0,-1,0,0,0,0,-2,1,-1,0,0,0,0,0,0,0,0,0
%N Triangle T(n,k) read by rows. T(n,k) = A174557(n,k)-A174557(n-1,k).
%e Table begins:
%e .1
%e -3..1
%e -1.-2..1
%e -1.-1.-2..1
%e -1..0..0.-2..1
%e -1.-1.-1..0.-2..1
%e -1..0..0..0..0.-2..1
%e -1.-1..0.-1..0..0.-2..1
%e -1..0.-1..0..0..0..0.-2..1
%e -1.-1..0..0.-1..0..0..0.-2..1
%K sign,tabl
%O 1,2
%A Mats Granvik, _Paul D. Hanna_, Mar 30 2010
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