# A205811 (b-file synthesized from sequence entry)
0 1
1 1
2 6
3 29
4 221
5 1897
6 23502
7 335334
8 5923570
9 119354491
10 2758647259
11 71079498533
12 2031108928680
13 63520842121792
14 2161164726505952
15 79394066773371245
16 3133259427956392983
17 132166451829847198316
18 5934636812034634649249
19 282609413111134846839482