# A146021 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 3
7 17
8 33
9 77
10 271
11 971
12 3963
13 20443
14 99229
15 615963
16 4003277
17 33415251
18 283218519
19 3003051651
20 32410844251
21 438884364075