# A307496 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 6
4 18
5 57
6 187
7 629
8 2156
9 7502
10 26427
11 94053
12 337653
13 1221260
14 4445892
15 16277089
16 59893052
17 221370725
18 821499759
19 3059620076
20 11432831745
21 42848889316
22 161032785057
23 606710026659
24 2291156662259
25 8670805904186
26 32879697168622
27 124910667052026
28 475357627716839
29 1811931609379926