# A199543 (b-file synthesized from sequence entry)
0 1
1 2
2 9
3 59
4 462
5 4011
6 37253
7 362877
8 3662590
9 38001809
10 403118473
11 4354812135
12 47769686769
13 530912871966
14 5968147436150
15 67766781921248
16 776407323511627
17 8967754230210974
18 104351087348892229
19 1222602680134075216
20 14416253295843685409
21 171018068867340738997