# A030870 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 9
4 36
5 182
6 1096
7 7678
8 61430
9 552871
10 5528710
11 60815817
12 729789815
13 9487267606
14 132821746496
15 1992326197440
16 31877219159043
17 541912725703747
18 9754429062667447
19 185334152190681505
20 3706683043813630117
21 77840343920086232475
22 1712487566241897114452