From: Efficient algorithms for biological stems search
(l,d)
| Σ|=4
| Σ|=20
(7,1)
1.29∗10−2
6.03∗10−6
(9,2)
4.89∗10−2
3.32∗10−5
(11,3)
1.15∗10−1
1.11∗10−4
(13,4)
6.38∗10−2
8.88∗10−5
(15,5)
4.27∗10−4
8.22∗10−7
(17,6)
5.82∗10−10
2.76∗10−20
(19,7)
3.64∗10−12
1.91∗10−25
(21,8)
1.43∗10−3
1.21∗10−5