# A146037 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 3
5 7
6 19
7 89
8 399
9 1939
10 11793
11 102715
12 985113
13 13989079
14 211198639
15 4331591655
16 98297746517
17 2965968725989
18 100683520176799