OFFSET
0,16
EXAMPLE
Triangle begins
1,
-1, 1,
-1, 0, 1,
1, -1, 0, 1,
0, 0, 0, 0, 1,
2, -1, -1, 0, 0, 1,
0, 0, 0, 0, 0, 0, 1,
-1, 1, 0, -1, 0, 0, 0, 1,
1, 0, -1, 0, 0, 0, 0, 0, 1
CROSSREFS
KEYWORD
sign,tabl
AUTHOR
Paul Barry, Mar 02 2006
STATUS
approved