# A204322 (b-file synthesized from sequence entry)
1 0
2 2
3 6
4 18
5 50
6 290
7 2582
8 20462
9 23870
10 26342
11 31938
12 38122
13 65034
14 70130
15 245538
16 851878
17 1052422
18 1496566
19 5380542
20 8431178