OFFSET
1,1
COMMENTS
FORMULA
Diagonals of the triangle are difference rows of A118009
EXAMPLE
First few rows of the triangle are:
2;
1, 3;
2, 3, 6;
1, 3, 6, 12;
1, 2, 5, 11, 23;
4, 5, 7, 12, 23, 46;
1, 5, 10, 17, 29, 52, 98;
...Example: the diagonal (1, 3, 6, 11, 23...) is the first difference row of A118009: (2, 3, 6, 12, 23...).
CROSSREFS
KEYWORD
nonn
AUTHOR
Gary W. Adamson, Apr 09 2006
STATUS
approved