# A358032 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 16
4 66
5 438
6 2694
7 25296
8 204576
9 2509728
10 24912816
11 381010320
12 4440815472
13 82150191264
14 1089159690912
15 23879423005440
16 351430312958208
17 9005004020293632
18 144184020764472576
19 4277182103330660352
20 73227226213747521792
21 2499666592623881921280