# A088591 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 21
4 159
5 798
6 16032
7 112230
8 6127559
9 67403154
10 10003515096
11 130045696256
12 52464178339578
13 891891031772826
14 978077279147051102
15 18583468303793970956
16 55396538267131436195083
17 1274120380144023032486931