# A339281 (b-file synthesized from sequence entry)
1 0
2 2
3 14
4 84
5 522
6 3426
7 23404
8 165417
9 1197934
10 8847201
11 66359672
12 504180138
13 3872043674
14 30011312118
15 234460670790
16 1844390161675
17 14597175479270
18 116148990100435
19 928620864502940
20 7456287071153017
21 60101357023288316
22 486144584042042269
23 3944839973878931780