%I A128176
%S A128176 1,1,1,2,2,1,2,4,3,1,3,6,7,4,1,3,9,13,11,5,1,4,12,22,24,16,6,1,4,16,34,
%T A128176 46,40,22,7,1,5,20,50,80,86,62,29,8,1,5,25,70,130,166,148,91,37,9,1
%N A128176 A128174 * A007318.
%C A128176 Row sums = A000975: (1, 2, 5, 10, 21, 42, 85, 170,...) A007318 * A128174 
               = A128175
%F A128176 A128174 * A007318 (Pascal's triangle), as infinite lower triangular matrices.
%e A128176 First few rows of the triangle are:
%e A128176 1;
%e A128176 1, 1;
%e A128176 2, 2, 1;
%e A128176 2, 4, 3, 1;
%e A128176 3, 6, 7, 4, 1;
%e A128176 3, 9, 13, 11, 5, 1;
%e A128176 4, 12, 22, 24, 16, 6, 1;
%e A128176 4, 16, 34, 46, 40, 22, 7, 1;
%e A128176 ...
%Y A128176 Cf. A000975, A128175, A007318.
%Y A128176 Sequence in context: A144925 A029262 A129687 this_sequence A144963 A035374 
               A048299
%Y A128176 Adjacent sequences: A128173 A128174 A128175 this_sequence A128177 A128178 
               A128179
%K A128176 nonn,tabl
%O A128176 1,4
%A A128176 Gary W. Adamson (qntmpkt(AT)yahoo.com), Feb 17 2007