# A148267 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 15
5 39
6 135
7 382
8 1543
9 4843
10 18881
11 60918
12 256074
13 874174
14 3590229
15 12412052
16 53420218
17 191510935
18 810050590
19 2923309230
20 12779202552
21 47321530017
22 204011303079
23 758221407024
24 3351513850093
25 12701475190962
26 55496678400253
27 210743047646368
28 939312182558310
29 3622442515633786