# A146693 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 3
6 9
7 23
8 49
9 265
10 1763
11 11689
12 76179
13 790941
14 10968467
15 170749547
16 2982674505
17 69135368821
18 2071835100571
19 74394376040387
20 3179634632557555