0,10

Row sums = A011782: (1, 1, 2, 4, 8, 16,...).

Left border = A144157: (1, 0, 1, 1, 2, 3, 5, 8,...)

Sum of n-th row terms = rightmost term of next row.

Triangle read by rows, A * B. A = an infinite lower triangular decrescendo subsequences triangle with A144157: (1, 0, 1, 1, 2, 3, 5, 8,...) in every column; and B = (A011782 * 0^(n-k)), 0<=k<=n = (1; 0,1; 0,0,2; 0,0,0,4; 0,0,0,0,8;...).

First few rows of the triangle =

1;

0, 1;

1, 0, 1;

1, 1, 0, 2;

2, 1, 1, 0, 4;

3, 2, 1, 2, 0, 8;

5, 3, 2, 2, 4, 0, 16;

8, 5, 3, 4, 4, 8, 0, 32;

13, 8, 5, 6, 8, 8, 16, 0, 64;

... Row 5 = (3, 2, 1, 2, 0, 8) = termwise product of (3, 2, 1, 1, 0, 1) and (1, 1, 1, 2, 4, 8) = (3*1, 2*1, 1*1, 1*2, 0*4, 1*8).

Sequence in context: A039801 A105821 A004564 this_sequence A004562 A123550 A004578

Adjacent sequences: A144154 A144155 A144156 this_sequence A144158 A144159 A144160

nonn,tabl

Gary W. Adamson (qntmpkt(AT)yahoo.com), Sep 12 2008