# A346841 (b-file synthesized from sequence entry)
0 1
1 0
2 2
3 9
4 40
5 360
6 2480
7 28833
8 266936
9 3562920
10 45634258
11 659631225
12 10231705196
13 176661237948
14 3080315922294
15 59430009554685
16 1217593208993232
17 25766943601055184
18 583245289316927058
19 13861911731632256457
20 343615639889119016556
21 8925102256331257339140
22 242399591002192962709230