%I A127248
%S A127248 1,1,1,0,1,1,0,0,0,1,0,0,0,1,1,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,
%T A127248 1,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1
%V A127248 1,-1,1,0,-1,1,0,0,0,1,0,0,0,-1,1,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,
               0,-1,1,0,0,0,0,0,
%W A127248 0,0,-1,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1
%N A127248 Triangle whose k-th column is generated by (1-A010060(1+k)*x)*x^k.
%C A127248 Inverse is A127247. Row sums are 1-A010060(n).
%e A127248 Triangle begins
%e A127248 1,
%e A127248 -1, 1,
%e A127248 0, -1, 1,
%e A127248 0, 0, 0, 1,
%e A127248 0, 0, 0, -1, 1,
%e A127248 0, 0, 0, 0, 0, 1,
%e A127248 0, 0, 0, 0, 0, 0, 1,
%e A127248 0, 0, 0, 0, 0, 0, -1, 1,
%e A127248 0, 0, 0, 0, 0, 0, 0, -1, 1,
%e A127248 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
%e A127248 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1
%Y A127248 Sequence in context: A090174 A165556 A127243 this_sequence A116938 A105589 
               A097806
%Y A127248 Adjacent sequences: A127245 A127246 A127247 this_sequence A127249 A127250 
               A127251
%K A127248 easy,sign,tabl
%O A127248 0,1
%A A127248 Paul Barry (pbarry(AT)wit.ie), Jan 10 2007