# A304932 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 20
5 87
6 420
7 2254
8 12676
9 73819
10 438795
11 2649555
12 16188915
13 99888892
14 621428188
15 3893646748
16 24548337096
17 155622071065
18 991375878185
19 6343073841027