# A321257 (b-file synthesized from sequence entry)
1 1
2 6
3 21
4 60
5 147
6 330
7 705
8 1464
9 2991
10 6054
11 12189
12 24468
13 49035
14 98178
15 196473
16 393072
17 786279
18 1572702
19 3145557
20 6291276
21 12582723
22 25165626
23 50331441
24 100663080
25 201326367
26 402652950
27 805306125
28 1610612484
29 3221225211
30 6442450674
31 12884901609
32 25769803488