# A049185 (b-file synthesized from sequence entry)
1 1
2 1
3 3
4 9
5 33
6 127
7 517
8 2171
9 9359
10 41139
11 183749
12 831479
13 3803859
14 17563853
15 81747331
16 383116181
17 1806427061
18 8563227837
19 40787427055
20 195106310221
21 936890791253
22 4514624943827
23 21823938003449
24 105804610564879