OFFSET
1,2
COMMENTS
EXAMPLE
Written as a triangle begins:
1;
2;
3;
2, 2;
-5;
2, 3;
7;
2, 2, 2;
3, 3;
2, -5;
11;
2, 2, 3;
-13;
2, 7;
3, -5;
2, 2, 2, 2;
CROSSREFS
KEYWORD
sign,tabf
AUTHOR
Omar E. Pol, Apr 15 2012
STATUS
approved