OFFSET
0,2
COMMENTS
Row sums = A006356: (1, 3, 6, 14, 31, 70, 157, 353,...).
Sum of n-th row terms = rightmost term of next row.
FORMULA
EXAMPLE
First few rows of the triangle:
1;
2, 1;
1, 2, 3;
1, 1, 6, 6;
1, 1, 3, 12, 14;
1, 1, 3, 6, 28, 31;
1, 1, 3, 6, 14, 62, 70;
1, 1, 3, 6, 14, 31, 140, 157;
1, 1, 3, 6, 14, 31, 70, 314, 353;
1, 1, 3, 6, 14, 31, 70, 157, 706, 793;
1, 1, 3, 6, 14, 31, 70, 157, 353, 1586, 1782;
1, 1, 3, 6, 14, 31, 70, 157, 353, 793, 3564, 4004;
1, 1, 3, 6, 14, 31, 70, 157, 353, 793, 1782, 8008, 8997;
1, 1, 3, 6, 14, 31, 70, 157, 353, 793, 1782, 4004, 17994, 20216;
...
Example: row 3 of the triangle = (1, 1, 6, 6) = termwise products of (1, 1, 2, 1) and (1, 1, 3, 6).
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Aug 21 2010
STATUS
approved