# A146819 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 3
9 9
10 19
11 39
12 117
13 351
14 957
15 3341
16 15997
17 83175
18 424759
19 2415699
20 15982837
21 113541201
22 873618675