# A067473 (b-file synthesized from sequence entry)
2 36
3 324
4 3025
5 30276
6 300304
7 3003289
8 30008484
9 300017041
10 3000081529
11 30000318436
12 300000484729
13 3000000666601
14 30000004655076
15 300000032019081
16 3000000027329536
17 30000000084216561
18 300000000542063364