# A212277 (b-file synthesized from sequence entry)
1 1
2 1
3 4
4 24
5 168
6 1284
7 10384
8 87364
9 756808
10 6704968
11 60471040
12 553334434
13 5124366956
14 47938322744
15 452349133904
16 4300336433872
17 41148686798000
18 396000558255084
19 3830370110005728
20 37218151946806512
21 363109794135657408
22 3555651588908143457
23 34934228253014629644