# A161525 (b-file synthesized from sequence entry)
0 1
1 25
2 324
3 2899
4 20124
5 115480
6 570050
7 2487421
8 9785321
9 35225346
10 117389766
11 365534676
12 1071606665
13 2976282415
14 7872887865
15 19923350639
16 48420830029
17 113395054929
18 256634690379
19 562744102479
20 1198306570554
21 2482933033659