# A217381 (b-file synthesized from sequence entry)
1 2
2 6
3 10
4 26
5 42
6 58
7 68
8 196
9 266
10 602
11 1170
12 1288
13 1290
14 2990
15 4110
16 6292
17 7446
18 36928
19 57490
20 65478
21 78570
22 188832