# A148848 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 8
4 28
5 91
6 325
7 1148
8 4210
9 15417
10 57694
11 215581
12 817502
13 3096572
14 11845074
15 45302298
16 174388276
17 671564376
18 2597822666
19 10054975765
20 39046176946
21 151720773774
22 590988865435
23 2303515089701
24 8995278200261
25 35149053029039
26 137544582434822
27 538562601081153
28 2111208646798646