OFFSET
0,4
COMMENTS
EXAMPLE
Written as a triangle:
0,
1,
1,2,
1,1,3,
1,1,1,2,4,
1,1,1,1,1,2,5,
1,1,1,1,1,1,1,2,2,3,6
1,1,1,1,1,1,1,1,1,1,1,2,2,3,7,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,2,2,2,3,4,8,
...
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Omar E. Pol, Oct 21 2011
STATUS
approved