# A185897 (b-file synthesized from sequence entry)
1 1
2 2
3 9
4 64
5 574
6 5919
7 67205
8 820258
9 10602848
10 143710500
11 2028137178
12 29649220223
13 447247229447
14 6940546801219
15 110540089124381
16 1803424905623166
17 30092225956558590
18 512900050694933194