# A274300 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 5
4 13
5 13
6 13
7 77
8 77
9 333
10 845
11 1869
12 3917
13 8013
14 8013
15 24397
16 57165
17 122701
18 122701