%I A140581
%S A140581 1,1,1,2,0,1,0,1,0,1,4,0,0,0,1,3,2,1,0,0,1,6,0,0,0,0,0,1,0,0,0,1,0,0,0,
               1,0,0,2,0,0,0,
%T A140581 0,0,1,5,4,0,0,1,0,0,0,0,1,10,0,0,0,0,0,0,0,0,0,1,0,3,0,20,1,0,0,0,0,0,
               1,12,0,0,0,0,
%U A140581 0,0,0,0,0,0,0,1,7,6,0,0,0,0,1,0,0,0,0,0,0,1
%V A140581 1,1,1,2,0,1,0,1,0,1,4,0,0,0,1,-3,2,1,0,0,1,6,0,0,0,0,0,1,0,0,0,1,0,0,
               0,1,0,0,2,0,0,0,
%W A140581 0,0,1,-5,4,0,0,1,0,0,0,0,1,10,0,0,0,0,0,0,0,0,0,1,0,-3,0,20,1,0,0,0,0,
               0,1,12,0,0,0,0,
%X A140581 0,0,0,0,0,0,0,1,-7,6,0,0,0,0,1,0,0,0,0,0,0,1
%N A140581 Triangle read by rows, A054525 * A140256.
%C A140581 Row sums = A014963: (1, 2, 3, 2, 5, 1, 7, 2, 3, 1, 11, 1, 13, 1,...).
%F A140581 Mobius transform of triangle A140256 = A054525 * A140256; as infinite 
               lower triangular matrices.
%e A140581 First few rows of the triangle are:
%e A140581 1;
%e A140581 1, 1;
%e A140581 2, 0, 1;
%e A140581 0, 1, 0, 1;
%e A140581 4, 0, 0, 0, 1;
%e A140581 -3, 2, 1, 0, 0, 1;
%e A140581 6, 0, 0, 0, 0, 0, 1;
%e A140581 0, 0, 0, 1, 0, 0, 0, 1;
%e A140581 0, 0, 2, 0, 0, 0, 0, 0, 1;
%e A140581 ...
%Y A140581 Cf. A140256, A054525.
%Y A140581 Sequence in context: A127523 A116927 A137276 this_sequence A137277 A039975 
               A016253
%Y A140581 Adjacent sequences: A140578 A140579 A140580 this_sequence A140582 A140583 
               A140584
%K A140581 tabl,sign
%O A140581 1,4
%A A140581 Gary W. Adamson and Mats Granvik (qntmpkt(AT)yahoo.com), May 17 2008