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Triangle T(n,k) read by rows. Matrix inverse of A174852.
2

%I #2 Mar 30 2012 18:53:09

%S 1,-1,1,-1,0,1,1,-1,0,1,-1,0,0,0,1,1,-1,-1,0,0,1,-1,0,0,0,0,0,1,-1,0,

%T 0,-1,0,0,0,1,1,0,-1,0,0,0,0,0,1,1,-1,0,0,-1,0,0,0,0,1,-1,0,0,0,0,0,0,

%U 0,0,0,1,-1,1,0,-1,0,-1,0,0,0,0,0,1,-1,0,0,0,0,0,0,0,0,0,0,0,1,1,-1,0,0,0,0

%N Triangle T(n,k) read by rows. Matrix inverse of A174852.

%C First column equals A008836. The rest of the table equals A054525.

%e Table begins:

%e .1

%e -1..1

%e -1..0..1

%e .1.-1..0..1

%e -1..0..0..0..1

%e .1.-1.-1..0..0..1

%e -1..0..0..0..0..0..1

%e -1..0..0.-1..0..0..0..1

%e .1..0.-1..0..0..0..0..0..1

%e .1.-1..0..0.-1..0..0..0..0..1

%Y Cf. A008836, A174852.

%K sign,tabl

%O 1,1

%A _Mats Granvik_, Mar 31 2010