# A032083 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 4
6 17
7 189
8 1586
9 19740
10 226874
11 3292668
12 47746676
13 809546512
14 14151766886
15 277125258626
16 5666164695014
17 126471592770198
18 2959743309058116
19 74377876827534538
20 1960097093923279152