OFFSET
0,4
COMMENTS
EXAMPLE
Triangle begins
1;
0, 1;
2,-1, 1;
-1, 2,-1, 1;
1, 0, 1,-1, 1;
1, 0, 0, 1,-1, 1;
3,-2, 2,-1, 1,-1, 1;
CROSSREFS
KEYWORD
sign,tabl
AUTHOR
Paul Barry, Nov 13 2005
STATUS
approved