OFFSET
1,2
LINKS
EXAMPLE
Triangle begins:
0,
2,
2, 4,
2, 4, 3, 6,
2, 4, 3, 6, 5, 4, 8,
2, 4, 3, 6, 5, 4, 8, 4, 7, 6, 5, 10,
2, 4, 3, 6, 5, 4, 8, 4, 7, 6, 5, 10, 3, 6, 5, 9, 4, 8, 7, 6, 12
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Omar E. Pol, Nov 28 2010, Nov 30 2010
STATUS
approved