# A032440 (b-file synthesized from sequence entry)
0 1
1 2
2 2
3 4
4 8
5 26
6 93
7 378
8 1562
9 6580
10 27776
11 117570
12 497785
13 2108418
14 8930754
15 37830676
16 160251624
17 678835194
18 2875587605
19 12181180442
20 51600296826
21 218582354212
22 925929680832
23 3922301042114
24 16615133763313