# A371755 (b-file synthesized from sequence entry)
0 1
1 4
2 28
3 221
4 1834
5 15657
6 136137
7 1199014
8 10661184
9 95493145
10 860339723
11 7788028028
12 70777321331
13 645359630071
14 5901209474518
15 54093485799726
16 496910913391428
17 4573312196055502
18 42160889572810597
19 389258294230352460
20 3598732127428879981