OFFSET
2,3
COMMENTS
Not same as A050205. Example: the fraction 9/20 requires three terms in its greedy expansion, but 9/20 = 1/4 + 1/5, so T(20,9) = 2.
EXAMPLE
The triangle T(n,k) begins:
2: 1
3: 1 2
4: 1 1 2
5: 1 2 2 3
6: 1 1 1 2 2
7: 1 2 3 2 3 3
8: 1 1 2 1 2 2 3
9: 1 2 1 2 2 2 3 3
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Arkadiusz Wesolowski, Jan 23 2017
STATUS
approved