A144330 - OEIS

%I #2 Mar 30 2012 17:25:32

%S 1,2,1,4,3,2,7,6,5,3,11,10,9,7,4,16,15,14,12,9,5,22,21,20,18,15,11,6,

%T 29,28,27,25,22,18,13,7,37,36,35,33,30,26,21,15,8,46,45,44,42,39,35,

%U 30,24,17,9,56,55,54,52,49,45,40,34,27,19,10

%N Triangle read by rows, A144328 * A000012

%C Row sums = A064999: (1, 3, 9, 21, 41, 113,...).

%C Left border = A000124: (1, 2, 4, 7, 11, 16, 22, 29,...).

%F Triangle read by rows, partial sums of A144328 starting from the right.

%e First few rows of the triangle =

%e 1;

%e 2, 1

%e 4, 3, 2

%e 7, 6, 5, 3;

%e 11, 10, 9, 7, 4;

%e 16, 15, 14, 12, 9, 5;

%e 22, 21, 20, 18, 15, 11, 6;

%e 29, 28, 27, 25, 22, 18, 13, 7;

%e ...

%e Row 4 = (7, 6, 5, 3) = partial sums from the right of triangle A144328, row 4: (1, 1, 2, 3).

%Y A144328, Cf. A064999, A000124

%K nonn,tabl

%O 1,2

%A _Gary W. Adamson_, Sep 18 2008