# A074210 (b-file synthesized from sequence entry)
1 1
2 4
3 12
4 30
5 272
6 4717
7 5402
8 18487
9 20115
10 28372
11 33998
12 111040
13 115170
14 456975
15 821586
16 1874660
17 4029676
18 4060029
19 59497900
20 232668002
21 313128068
22 529436220