# A061960 (b-file synthesized from sequence entry)
1 1
2 3
3 12
4 171
5 324
6 717
7 867
8 977
9 2040
10 6017
11 13921
12 54036
13 81097
14 88580
15 265515
16 306612
17 349707
18 1075152
19 1189787
20 2579041