# A147219 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 5
7 17
8 37
9 107
10 651
11 4763
12 31885
13 243507
14 2726593
15 39573223
16 647861719
17 12294997893
18 299566536047
19 9265546813073
20 344823799726629