# A146225 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 9
6 13
7 39
8 69
9 2575
10 6405
11 191203
12 599559
13 31751065
14 124920743
15 19072164165
16 96207487051
17 23729375699967
18 150729249130871
19 86943333060607105
20 701895334984042253
21 791712727158897187729