%I #3 Mar 30 2012 18:36:44
%S 1,-3,9,-33,145,-753,4535,-31185,241621,-2085977,19878575,-207435465,
%T 2354040401,-28879390741,381015862819,-5381312495493,81032586154861,
%U -1296239101205321,21956075917991823,-392643158131057189,7393747486434743561,-146254142534490299853
%N Column 2 of triangular matrix A101897, in which column k equals column 0 of A101897^(k+1) and where the n-th row sums are zero for n>0.
%C Also equals column 0 of the matrix cube of A101897.
%Y Cf. A101897, A101898, A101900.
%K sign
%O 0,2
%A _Paul D. Hanna_, Dec 20 2004