OFFSET
1,1
COMMENTS
Row sums = A083290: (1, 0, 1, 1, 2, 1, 3, 2, 3, 2, ...).
EXAMPLE
First few rows of the triangle:
1;
-1, 1;
0, 0, 1;
0, 0, 0, 1;
0, 0, 1, 0, 1;
...
CROSSREFS
KEYWORD
tabl,sign
AUTHOR
Gary W. Adamson, Feb 17 2007
STATUS
approved