# A223895 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 18
4 178
5 2565
6 50266
7 1281189
8 41079928
9 1614373833
10 76159289386
11 4240914224481
12 274875377524804
13 20493884997114945
14 1739962105428020566
15 166758905926021916373
16 17904330331671454817392
17 2139078334935145657604961
18 282684498251824376254841266