# A132785 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 1
4 2
5 7
6 40
7 342
8 4118
9 66581
10 1393998
11 36722251
12 1189340060
13 46466456210
14 2155486553918
15 117137645018204
16 7372271485024724
17 532031521606758006
18 43644205623323138712
19 4038679603699275061593
20 418716209086799704826908