kenken -c 5 -n 29 -r 2

Grid size: 9
Cage size: 5
Operator : a
Number   : 29
Reject   : 2

29+ = 1 + 4 + 7 + 8 + 9
29+ = 1 + 5 + 6 + 8 + 9
29+ = 2 + 3 + 7 + 8 + 9
29+ = 2 + 4 + 6 + 8 + 9
29+ = 2 + 5 + 6 + 7 + 9
29+ = 3 + 4 + 5 + 8 + 9
29+ = 3 + 4 + 6 + 7 + 9
29+ = 3 + 5 + 6 + 7 + 8

Combinations = 8