# A165133 (b-file synthesized from sequence entry)
0 30
1 93
2 315
3 1143
4 4335
5 16863
6 66495
7 264063
8 1052415
9 4201983
10 16792575
11 67139583
12 268496895
13 1073864703
14 4295213055
15 17180360703
16 68720459775
17 274879873023
18 1099515559935
19 4398054375423
20 17592201773055
21 70368775634943
22 281475039625215