OFFSET
1,4
COMMENTS
EXAMPLE
Triangle begins:
1,
1, 1,
2, 0, 1,
3, 1, 0, 1,
5, 1, 1, 0, 1,
7, 2, 1, 1, 0, 1,
11, 2, 2, 1, 1, 0, 1,
15, 4, 2, 1, 1, 1, 0, 1,
CROSSREFS
KEYWORD
AUTHOR
Omar E. Pol, Feb 10 2012
STATUS
approved