# A198865 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 31
4 368
5 5941
6 121632
7 3019563
8 88140544
9 2958267241
10 112246484480
11 4751313955543
12 221980968007680
13 11346405913579101
14 629859586327810048
15 37736053514310470371
16 2426956220333852131328
17 166775317658298155269585
18 12195158366650225121427456