# A216313 (b-file synthesized from sequence entry)
0 0
1 1
2 5
3 29
4 200
5 1609
6 14809
7 153453
8 1767240
9 22383681
10 309123733
11 4621295117
12 74331184256
13 1279614456041
14 23470211031097
15 456836915073277
16 9403557603534960
17 204061142480099649
18 4655419598313230277
19 111378768040665868093
20 2788108620329147151896