OFFSET
1,6
EXAMPLE
The triangle starts in row n=1 as:
1;
-1, -1;
-1, 0, -2;
0, 0, 0, 0;
-1, 0, 0, 0, -4;
1, 1, 2, 0, 0, 2;
-1, 0, 0, 0, 0, 0, -6;
...
CROSSREFS
KEYWORD
AUTHOR
Gary W. Adamson, Jan 15 2007
STATUS
approved