# A193037 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 16
4 99
5 660
6 4625
7 33609
8 251024
9 1915365
10 14866307
11 117007587
12 931682106
13 7491746385
14 60750081839
15 496214311987
16 4078991375519
17 33718664525501
18 280123674031062
19 2337556609209193
20 19584517345276853
21 164677962557101656
22 1389268739557153255