A180338 - OEIS

%I #2 Mar 30 2012 17:25:39

%S 1,2,5,4,10,22,8,20,44,99,16,40,88,198,471,32,80,176,396,942,2386,64,

%T 160,352,792,1884,4772,12867,128,324,704,1584,3768,9544,25734,73681

%N Triangle by rows, A033452 convolved with A000079

%C Row sums = A058681: (1, 7, 36, 171, 813, 4012, 20891,...).

%F Antidiagonals of a multiplication table generated from A033452 * powers of 2.

%e First few rows of the triangle =

%e 1;

%e 2, 5;

%e 4, 10, 22;

%e 8, 20, 44, 99;

%e 16, 40, 88, 198, 471;

%e 32, 80, 176, 396, 942, 2386;

%e 64, 160, 352, 792, 1884, 4772, 12867;

%e 128, 324, 704, 1584, 3768, 9544, 25734, 73681;

%e ...

%Y Cf. A033452, A058681

%K nonn,tabl

%O 0,2

%A _Gary W. Adamson_, Aug 28 2010