# A005268 (b-file synthesized from sequence entry)
1 1
2 1
3 2
4 4
5 10
6 31
7 120
8 578
9 3422
10 24504
11 208833
12 2086777
13 24123293
14 318800755
15 4766262421
16 79874304340
17 1488227986802