# A284719 (b-file synthesized from sequence entry)
1 1
2 1
3 3
4 13
5 69
6 400
7 2390
8 14545
9 90285
10 572801
11 3715919
12 24627773
13 166497633
14 1146141359
15 8019377521
16 56936916951
17 409590294555
18 2981507133559
19 21935750057293
20 162953508604187
21 1221207542430487
22 9225662325264922
23 70209599158600184
24 537934680500809021