# A205803 (b-file synthesized from sequence entry)
1 1
2 1
3 3
4 10
5 44
6 249
7 1693
8 13384
9 120932
10 1229759
11 13894429
12 172677450
13 2341111850
14 34385290940
15 543885462121
16 9217332132024
17 166621796893824
18 3200275345024464
19 65082833538054240
20 1397097303096855578
21 31569176387677926733
22 749012642530028865010