# A323559 (b-file synthesized from sequence entry)
1 1
2 7
3 49
4 337
5 2323
6 15805
7 107737
8 727619
9 4921655
10 33056939
11 222323989
12 1487064391
13 9957971965
14 66391431607
15 443085643919
16 2946553003837
17 19611967535129
18 130149475953673