# A378670 (b-file synthesized from sequence entry)
0 1
1 2
2 11
3 78
4 627
5 5432
6 49464
7 466726
8 4522871
9 44747874
10 450127999
11 4589821576
12 47333631828
13 492836382192
14 5173697858508
15 54700317431958
16 581946708333055
17 6225343630256678
18 66921440314606905
19 722546760572660030
20 7832054418695360555
21 85198490262065775840