# A123304 (b-file synthesized from sequence entry)
0 4
1 5
2 43
3 263
4 1699
5 10895
6 69943
7 448943
8 2881699
9 18497135
10 118730023
11 762108143
12 4891844659
13 31399932335
14 201550911703
15 1293721577903
16 8304182337859
17 53303156937455
18 342144045482503
19 2196165379031663
20 14096818096762579
21 90485116626705455
22 580808823292457143