# A050180 (b-file synthesized from sequence entry)
1 1
2 3
3 12
4 24
5 42
6 60
7 132
8 303
9 312
10 450
11 564
12 1236
13 1419
14 2952
15 10098
16 12060
17 13848
18 17229
19 22356
20 37896
21 251904