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%I #3 Oct 12 2012 14:40:19
%S 1,0,1,0,2,0,-3118,0,442703522,0,-13347247554466558,0,
%T 148707543361999816132646402,0,
%U -915656396935528170667809129675491481598,0,4312599964271304706198945861064290667787580951294464002,0
%N Alternating row sums of triangle A090441.
%F a(n)= sum(A090441(n, m)*(-1)^m, m=0..n+1), n>=-1.
%K sign,easy
%O -1,5
%A _Wolfdieter Lang_, Dec 23 2003
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