# A148040 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 3
4 8
5 19
6 55
7 152
8 475
9 1462
10 4746
11 15587
12 53395
13 183704
14 645336
15 2304003
16 8369954
17 30628353
18 113457813
19 425476602
20 1610303851
21 6134996528
22 23581388253
23 91405898719
24 356438621366
25 1397836274856
26 5518769111515
27 21915664391127
28 87424025172871
29 350422697792128
30 1411783576129019
31 5711966700811943