# A357833 (b-file synthesized from sequence entry)
0 0
1 0
2 1
3 3
4 11
5 52
6 304
7 2114
8 16992
9 154626
10 1568706
11 17535108
12 213965520
13 2828584824
14 40259041188
15 613656673476
16 9971942784132
17 172071391424832
18 3141974627361216
19 60523400730707208
20 1226519845766281008
21 26084378634267048984
22 580854626450078463000