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%I A128190 #5 Feb 18 2022 22:07:03
%S A128190 1,1,1,0,0,1,0,0,0,1,0,0,-1,0,1,0,0,1,-1,0,1,0,0,0,0,-1,0,1,0,0,-1,1,
%T A128190 0,-1,0,1,0,0,1,0,0,0,-1,0,1,0,0,0,-1,1,0,0,-1,0,1
%N A128190 Inverse of A128189.
%C A128190 Row sums = 1, 2, 1, 1, 0, 1, 0, 0, 1, 0, ... (the first 10 terms of A104162).
%F A128190 Inverse of A128189 as an infinite lower triangular matrix.
%e A128190 First few rows of the triangle:
%e A128190   1;
%e A128190   1,  1;
%e A128190   0,  0,  1;
%e A128190   0,  0,  0,  1;
%e A128190   0,  0, -1,  0,  1;
%e A128190   0,  0,  1, -1,  0,  1;
%e A128190   ...
%Y A128190 Cf. A104162, A128189.
%K A128190 tabl,sign
%O A128190 0,1
%A A128190 _Gary W. Adamson_, Feb 17 2007

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