# A030281 (b-file synthesized from sequence entry)
1 2
2 11
3 53
4 237
5 1013
6 4196
7 16992
8 67647
9 265743
10 1032827
11 3979023
12 15217248
13 57835016
14 218636365
15 822691425
16 3083074193
17 11512489353
18 42851360088
19 159043175322
20 588767623587
21 2174488780469
22 8013945343961