# A176755 (b-file synthesized from sequence entry)
0 1
1 3
2 4
3 15
4 52
5 208
6 846
7 3579
8 15456
9 68096
10 304570
11 1379980
12 6319978
13 29211278
14 136086710
15 638364319
16 3012609980
17 14293438828
18 68139158918
19 326218902372
20 1567802352910
21 7561126873098
22 36581288824402
23 177496766695528