# A200674 (b-file synthesized from sequence entry)
0 0
1 1
2 9
3 61
4 385
5 2365
6 14353
7 86605
8 521089
9 3130909
10 18798577
11 112830829
12 677103073
13 4062972733
14 24378899281
15 146276584333
16 877669071937
17 5266043129437
18 31596344870065
19 189578327500717
20 1137470739845281
21 6824826763594621
22 40948967555136529