%I A156254
%S A156254 1,1,1,1,0,1,0,0,0,1,1,0,0,0,1,1,1,1,0,0,1,1,0,0,0,0,0,1,0,0,0,0,0,0,0,
%T A156254 1,0,0,0,0,0,0,0,0,1,1,1,0,0,1,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,
%U A156254 0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,1,0,0,0,0,0,0,1
%N A156254 Triangle read by rows. Matrix inverse of A156241.
%e A156254 Table begins:
%e A156254 1,
%e A156254 1,1,
%e A156254 1,0,1,
%e A156254 0,0,0,1,
%e A156254 1,0,0,0,1,
%e A156254 1,1,1,0,0,1,
%e A156254 1,0,0,0,0,0,1,
%e A156254 0,0,0,0,0,0,0,1,
%e A156254 0,0,0,0,0,0,0,0,1,
%e A156254 1,1,0,0,1,0,0,0,0,1,
%Y A156254 Cf. A087003.
%Y A156254 Sequence in context: A128408 A121802 A156241 this_sequence A010056 A155898 
               A115952
%Y A156254 Adjacent sequences: A156251 A156252 A156253 this_sequence A156255 A156256 
               A156257
%K A156254 nonn,tabl
%O A156254 1,1
%A A156254 Mats Granvik (mats.granvik(AT)abo.fi), Feb 07 2009