# A076170 (b-file synthesized from sequence entry)
1 1
2 3
3 6
4 45
5 210
6 7140
7 122265
8 242556
9 1702935
10 8239770
11 279909630
12 4601330415
13 9508687656
14 64088265153
15 323015470680
16 10973017315470
17 173166468725253
18 372759573255306
19 2411897769074475
20 12662852473364940
21 430164224521152660
22 6516946879404850395