# A371778 (b-file synthesized from sequence entry)
0 1
1 5
2 28
3 166
4 1015
5 6324
6 39901
7 254035
8 1628380
9 10493680
10 67914088
11 441086947
12 2873255906
13 18763759019
14 122803467241
15 805241108334
16 5288922607095
17 34789875710568
18 229147231044397
19 1511104857207706
20 9975701630282920
21 65920216186587257