# A252746 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 1
4 2
5 1
6 6
7 7
8 10
9 19
10 26
11 35
12 56
13 99
14 154
15 251
16 437
17 759
18 1262
19 1953
20 2963
21 4652
22 7847
23 13588