# A062874 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 16
4 140
5 1622
6 23688
7 414291
8 8408768
9 193891684
10 5001814400
11 142675793705
12 4458289724928
13 151440666806526
14 5556047001924608
15 218947599027613687
16 9223382498249719808
17 413620308786882430088