# A146810 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 3
6 7
7 19
8 47
9 187
10 1053
11 6641
12 45779
13 382213
14 4162011
15 56301753
16 896342697
17 17171206379
18 405427693543
19 11818746061515
20 417444288436423