# A144841 (b-file synthesized from sequence entry)
1 1
2 1
3 2
4 11
5 41
6 121
7 316
8 757
9 1961
10 6281
11 22166
12 74031
13 221937
14 596961
15 1460096
16 3294761
17 6945521
18 13818417
19 26161386
20 47446611