OFFSET
1,2
COMMENTS
Sum of terms in n-th row = rightmost term in next row.
EXAMPLE
First few rows of the triangle:
1;
2, 1;
3, 1, 3;
4, 1, 3, 7;
5, 1, 3, 7, 15;
6, 1, 3, 7, 15, 31;
7, 1, 3, 7, 15, 31, 63;
...
CROSSREFS
KEYWORD
AUTHOR
Gary W. Adamson, Sep 01 2008
STATUS
approved