# A163687 (b-file synthesized from sequence entry)
1 1
2 8
3 39
4 132
5 389
6 1095
7 3107
8 8790
9 24449
10 66724
11 179212
12 475169
13 1247181
14 3249223
15 8420475
16 21735923
17 55926076
18 143501956
19 367381497
20 938864371
21 2396062211
22 6108616160
23 15560958273