# A176413 (b-file synthesized from sequence entry)
0 19
1 57
2 171
3 513
4 1539
5 4617
6 13851
7 41553
8 124659
9 373977
10 1121931
11 3365793
12 10097379
13 30292137
14 90876411
15 272629233
16 817887699
17 2453663097
18 7360989291
19 22082967873
20 66248903619
21 198746710857
22 596240132571
23 1788720397713