# A120593 (b-file synthesized from sequence entry)
0 1
1 1
2 6
3 76
4 1201
5 21252
6 402892
7 8001412
8 164321982
9 3461110532
10 74358814838
11 1623152780808
12 35897318940028
13 802620009567628
14 18112759482614328
15 412020809942451504
16 9437537418826749369
17 217486633306640519124