OFFSET
0,1
EXAMPLE
Triangle begins
1;
1, 1;
0, 1, 1;
0, 1, 1, 1;
0, 0, 0, 1, 1;
0, 0, 0, 1, 1, 1;
0, 0, 0, 0, 0, 1, 1;
0, 0, 0, 0, 0, 1, 1, 1;
0, 0, 0, 0, 0, 0, 0, 1, 1;
0, 0, 0, 0, 0, 0, 0, 1, 1, 1;
0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1;
Production matrix begins
1, 1;
-1, 0, 1;
1, 1, 0, 1;
0, -1, -1, 0, 1;
0, 1, 1, 1, 0, 1;
0, 0, 0, -1, -1, 0, 1;
0, 0, 0, 1, 1, 1, 0, 1;
0, 0, 0, 0, 0, -1, -1, 0, 1;
0, 0, 0, 0, 0, 1, 1, 1, 0, 1;
0, 0, 0, 0, 0, 0, 0, -1, -1, 0, 1;
CROSSREFS
KEYWORD
AUTHOR
Paul Barry, Nov 03 2010
STATUS
approved