# A371584 (b-file synthesized from sequence entry)
0 1
1 2
2 15
3 138
4 1435
5 16074
6 189238
7 2308640
8 28927579
9 370084760
10 4814147248
11 63482437724
12 846678807008
13 11401357736202
14 154800183842738
15 2116833422071448
16 29128279396373599
17 403029526567463278
18 5603854904038673961
19 78260199678455985082
20 1097257906416031628336