# A216171 (b-file synthesized from sequence entry)
1 1
2 1
3 3
4 21
5 181
6 1815
7 20154
8 241665
9 3080331
10 41302128
11 578300961
12 8410381731
13 126533164302
14 1963198249559
15 31334634890994
16 513482316151767
17 8625106767201627
18 148306563373055094
19 2607509241485053311
20 46832500213908831048
21 858557964325898228058