# A148233 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 13
5 34
6 115
7 358
8 1305
9 4394
10 16799
11 60226
12 236724
13 886170
14 3571278
15 13795768
16 56634827
17 224397093
18 934699703
19 3777744516
20 15931909849
21 65442228175
22 278812189001
23 1160886944859
24 4988775300686
25 21009096849154
26 90962617263757
27 386809467979266
28 1685635564629301
29 7228530971210101