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Matrix inverse of triangle A055290(n+1,k).
2

%I #6 Mar 30 2012 17:37:10

%S 1,-1,1,0,-1,1,1,0,-2,1,0,1,0,-2,1,-3,1,4,0,-3,1,-1,-3,2,4,0,-3,1,14,

%T -10,-15,4,10,0,-4,1,20,11,-36,-12,11,9,0,-4,1,-77,92,76,-67,-56,16,

%U 20,0,-5,1,-308,92,421,-24,-200,-24,30,17,0,-5,1,147,-994,200,847,196

%N Matrix inverse of triangle A055290(n+1,k).

%H <a href="/index/Tra#trees">Index entries for sequences related to trees</a>

%e 1; -1,1; 0,-1,1; 1,0,-2,1; 0,1,0,-2,1; ...

%K sign,tabl

%O 2,9

%A _Christian G. Bower_, May 09 2000