# A370620 (b-file synthesized from sequence entry)
0 1
1 3
2 27
3 255
4 2535
5 25908
6 269667
7 2843214
8 30264975
9 324543495
10 3500669172
11 37940361660
12 412830243735
13 4507040972190
14 49345845670470
15 541602648192480
16 5957253066586815
17 65650003858745514
18 724693081872783375
19 8011727857439155500
20 88692087094226151300